IMPACT OF FOREIGN REMITTANCES ON GROWTH AND INCOME...
Transcript of IMPACT OF FOREIGN REMITTANCES ON GROWTH AND INCOME...
IMPACT OF FOREIGN REMITTANCES ON GROWTH
AND INCOME DISTRIBUTION IN PAKISTAN
FOUZIA JAMSHAID
09- arid- 1823
Department of Economics
Faculty of Social Sciences
Pir Mehr Ali Shah
Arid Agricultural University, Rawalpindi
Pakistan
2016
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IMPACT OF FOREIGN REMITTANCES ON GROWTH
AND INCOME DISTRIBUTION IN PAKISTAN
by
FOUZIA JAMSHAID
(09- arid- 1823)
A thesis submitted in the partial fulfillment of
the requirements for the degree of
Doctor of Philosophy
in
Economics
Department of Economics
Faculty of Social Sciences
Pir Mehr Ali Shah
Arid Agricultural University, Rawalpindi
Pakistan
2016
iii
CERTIFICATION
I hereby undertake that this research is an original one and no part of this thesis fall under plagiarism, if found otherwise, at any stage, I will be responsible for the consequences.
Student Name: Fouzia Jamshaid Signature:
Registration No. 09-arid-1823 Date:
Certified that the contents and form of thesis entitles “Impact of Foreign
Remittances on Growth and Income Distribution in Pakistan” submitted by Ms.
Fouzia Jamshaid have been found satisfactory for the requirement of the degree.
Supervisor: _____________________________
(Dr. A.Q. Mohsin)
Co-Supervisor: _____________________________ (Dr. Muhammad Ilyas)
Member: _____________________________ (Dr. Ikram Ali)
Member: _____________________________ (Dr. Aneela Afzal)
Chairperson:
Dean:
Director, Advanced Studies:
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DEDICATION
I DEDICATE THIS HUMBLE EFFORT TO
MY LOVING HUSBAND.
WHO HAS ALWAYS SUPPORTED AND HELPED IN
MY RESEARCH WORK
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CONTENTS
Page List of Tables ix
List of Figures xi
List of Appendices xii
List of Abbreviations xiii
Acknowledgements xiv
Abstract xvi
1. INTRODUCTION 1
1.1 BACKGROUND 1
1.2 FOREIGN REMITTANCES AND PAKISTAN ECONOMY 5
1.3 RESERCH QUESTIONS OF THE STUDY 8
1.4 OBJECTIVES OF THE STUDY 12
1.5 HYPOTHESES OF THE STUDY 13
1.6 SIGNIFICANCE OF THE STUDY 13
1.7 ORGANIZATION OF THE STUDY 16
2. REVIEW OF LITERATURE 17
2.1 INTRODUCTION 17
2.2 THEORETICAL FRAMEWORK: LINKING FOREIGN
REMITTANCES TO ECONOMIC GROWTH AND INCOME
DISTRIBUTION
18
2.3 REVIEWING THE STUDIES OF EMPIRICAL NATURE
32
2.4 CONCLUSIONS 56
3. MATERIALS AND METHODS 62
3.1 INTRODUCTION 62
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3.2
3.2.1
ANALYTICAL APPROACH AND DATA SET FOR FOREIGN
REMITTANCES AND GROWTH
Justification and Implication of Variables
62
63
3.2.2 Analytical Framework 65
3.2.3 Data Description and Source 70
3.3
3.3.1
ANALYTICAL APPROACH AND DATA SET FOR
DISTRIBUTION OF INCOME VERSUS FOREIGN
REMITTANCES.
Income Distribution Indices (Measures)
71
72
3.3.2 Common Income Distribution Indices 72
3.3.3 Weighting System for Household, Income and Foreign Remittances 73
3.3.4 Model and Analytical Approach 74
3.3.5 Lorenz Curve and Gini Coefficient Analyses 77
3.3.6 Pre-Post Remittances Lorenz Curve 77
3.3.7 Gini Ratio by Ordinary Least Square (OLS) Method 78
3.3.8 Chow Breakpoint Test for Structural Stability 80
3.3.9 Data Description: Household Integrated and Economic Surveys
(HIESs)
80
3.4 STATISTICAL PACKAGES USED 82
4. RESULTS AND DISCUSSION 85
4.1 INTRODUCTION 85
4.2 RELATIONSHIP BETWEEN FOREIGN REMITTANCES AND
GROWTH
85
4.2.1 Unit Root Test 85
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4.2.2 Co-Integration Analysis 86
4.2.3 Error Correction Mechanism (ECM) 93
4.2.4 Diagnostic Tests 95
4.3 RELATIONSHIP BETWEEN FOREIGN REMITTANCES AND
DISTRIBUTION OF INCOME
96
4.3.1 Percentage Distribution of Household Income and Foreign
Remittances
96
4.3.2 Gini Ratios and Lorenz Curves 106
4.3.3 Pre and Post Remittances Incidence (Keeping in view total
households)
107
4.3.3.1 Pre and post remittances incidences in Pakistan 107
4.3.3.2 Pre and post remittances lorenz curves in Pakistan 109
4.3.3.3 Pre and post remittances incidences in urban areas of Pakistan 109
4.3.3.4 Pre and post remittances lorenz curves in urban areas of Pakistan 113
4.3.3.5 Pre and post remittances incidences in rural areas of Pakistan 113
4.3.3.6 Pre and post remittances lorenz curves in rural areas of Pakistan 115
4.3.3.7 Rural versus urban pre and post remittances incidence 115
4.3.3.8 Gini ratios by OLS method. (Keeping in view total households) 123
4.3.3.9 Chow Breakpoint test for structural stability 123
4.3.4 Pre and Post Remittances Incidence (Remittances receiving
households)
127
4.3.4.1 Pre and post remittances incidences in Pakistan 127
4.3.4.2 Pre and post remittances lorenz curves in Pakistan 129
4.3.4.3 Pre and post remittances incidences in urban areas of Pakistan 129
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4.3.4.4 Pre and post remittances lorenz curves in urban areas of Pakistan 131
4.3.4.5 Pre and post remittances incidences in rural areas of Pakistan 131
4.3.4.6 Pre and post remittances lorenz curves in rural areas of Pakistan 136
4.3.4.7 Rural versus urban, pre and post remittances incidence 140
4.3.4.8 Gini ratios by OLS method. (Remittances receiving households) 144
4.3.4.9 Chow Breakpoint test for structural stability 146
4.3.5 Analysis of Total Households Versus Remittances Receiving
Households
146
SUMMARY 153
CONCLUSION 159
POLICY IMPLICATIONS 161
FUTURISTIC VISION 165
LITERATURE CITED 167
APPENDICES 185
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LIST OF TABLES
Table No. Page
1. Sample Size HIES, 2001- 02 83
2. Sample Size HIES, 2005- 06 83
3. Sample Size HIES, 2010- 11 84
4. Households Receiving Foreign Remittances 84
5. ADF Statistics at Level 87
6. ADF Statistics at 1st Difference 87
7. Optimal Lag Selection 89
8. Trace Test 91
9. Maximum Eigen Value Test 91
10. Long Run Coefficients of the Model 94
11. Short Run Coefficients of the Model 94
12. Distribution of Household’s Migrants among Income Quintiles Ranked by Predicted Average Household Income, with and without Foreign Remittances (HIES. 2001-2)
99
13. Distribution of Household’s Migrants among Income Quintiles Ranked by Predicted Average Household Income, with and without Foreign Remittances. (HIES. 2005-06)
101
14. Distribution of Household’s Migrants among Income Quintiles Ranked by Predicted Average Household Income, with and without Foreign Remittances. (HIES. 2010-11)
104
15. Pre and Post Gini Coefficients (Pakistan) 108
16. Pre and Post Gini Coefficients (Urban) 114
17. Pre and Post Gini Coefficients (Rural) 114
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18. Pre and Post Gin Coefficients (Urban- Rural) 2001-02, 2005-06, 2010-11
124
19. Results for Lorenz Estimation (Urban- Rural) 125
20. Results for Lorenz Estimation in Pakistan 126
21. Chow Breakpoint Tests for Significant Differences in β Coefficients
128
22. Pre and Post Gini Coefficients (Pakistan) 130
23. Pre and Post Gini Coefficients (Urban) 135
24. Pre and Post Gini Coefficients (Rural) 135
25. Pre and Post Gini Coefficients (Urban- Rural) 2001-02, 2005-06, 2010-11
145
26. Results for Lorenz Estimation (Urban- Rural) 147
27. Result for Lorenz Estimation (Pakistan) 148
28. Chow Breakpoint Tests for Significant Differences in β Coefficients
150
29. Comparison for the Analyses of Total Households Versus Remittances Receiving Households.
152
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LIST OF FIGURES
Figure No Page
1 Relationship Between Variables 64
2 Graphical Representation Gini Coefficient and Lorenz Curves 79
3 Cumulative Sums 97
4 Cumulative Sums Square 97
5 Pre-Post Remittances Lorenz Curves, 2001.02 (Pakistan) 110
6 Pre-Post Remittances Lorenz Curves, 2005.06 (Pakistan) 111
7 Pre-Post Remittances Lorenz Curves, 2010.11 (Pakistan) 112
8 Pre-Post Remittances Lorenz Curves, 2001-02 (Urban) 116
9 Pre-Post Remittances Lorenz Curves, 2005-06 (Urban) 117
10 Pre-Post Remittances Lorenz Curves, 2010-11 (Urban) 118
11 Pre-Post Remittances Lorenz Curves, 2001-02 (Rural) 120
12 Pre-Post Remittances Lorenz Curves, 2005-06 (Rural) 121
13 Pre-Post Remittances Lorenz Curves, 2010-11 (Rural) 122
14 Pre-Post Remittances Lorenz Curves, 2001-02 (Pakistan) 132
15 Pre-Post Remittances Lorenz Curves, 2005-06 (Pakistan) 133
16 Pre-Post Remittances Lorenz Curves, 2010-11 (Pakistan) 134
17 Pre-Post Remittances Lorenz Curves, 2001-02 (Urban) 137
18 Pre-Post Remittances Lorenz Curves, 2005-06 (Urban) 138
19 Pre-Post Remittances Lorenz Curves, 2010-11 (Urban) 139
20 Pre-Post Remittances Lorenz Curves, 2001-02 (Rural) 140
21 Pre-Post Remittances Lorenz Curves, 2005-06 (Rural) 143
22 Pre-Post Remittances Lorenz Curves, 2010-11 (Rural) 144
LIST OF APPENDICES
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Appendix No. Page
A Some Concepts and Terminologies 185
B Unit Root Test 200
C. Johansen Co- integration Results 210
D. Error Correction Mechanism 213
E. Diagnostic Test 214
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LIST OF ABBREVIATIONS
ADF Augmented Dickey Fuller
CONs
DSP
ECM
Consumption
Difference Stationary Process
Error Correction Mechanism
FBS Federal Bureau of Statistics
FIML Full Information Maximum Likelihood
FR Foreign Remittances
GDP Gross Domestic Product
GNP Gross National Product
HIES Household Integrated Economic Survey
INV Investment
LDC’s Less Developed Countries
IMP Imports
OLS Ordinary Least Square
OPF Overseas Pakistani Foundation
PSLM Pakistan Social Living Standards Measurement
SBP State Bank of Pakistan
SD Standard Deviation
SUR Seeming Unrelated Regression
VAR Vector Auto Regression
USA United Sates of America
ACKNOWLEDGEMENTS
First of all, I thank to Almighty Allah who bestowed me with determination to
complete this research successfully and durood- o- salaam on holy prophet Hazrat
Muhammad (Salala Ho Alihe Wasalam), who declared seeking knowledge obligatory
on every Muslim.
I am deeply indebted to my supervisor Dr. Abdual Qayyum Mohsin, Assistant
Professor, Department of Economics for his detailed and constructive comments and
for his valuable support throughout the research.
I am extremely grateful to my co-supervisor Assistant Professor Dr.
Muhammad Ilyas, who has lit my way to success. I am warmly thankful for his
valuable advice and friendly help. His extensive guidance around my work is
remarkable for his detailed and constructive comments and for his important support
throughout this work.
My humble submissions of gratitude to Dr. Abdual Saboor, Dean Faculty of
Social Sciences and Chairman, Department of Economics for his cooperation and
encouragement to start and complete this degree program. His wide knowledge and
logical way of thinking have been a great value for me. His help, stimulating
suggestions and encouragement facilitated me, in all the time of research process and
thesis writing.
I would like to express my deep and sincere gratitude to the members of my
Supervisory committee, Associate Professor Dr. Ikram Ali and Dr. Aneela Afzal
Assistant professor. Moreover, the keen observations of Quality Enhancement Cell and
Directorates of Advanced Studies are highly appreciable to improve the quality and
format of this thesis in line with the international standard.
My deepest feelings of gratitude for my father Atta Ullah Shaheen and my
mother Mrs. Safia Shaheen who are my first teacher and source of aspiration and
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guidance for me. I also want to express my gratitude to my mother-in-law Irshad
Begum for her prayers for my success. Their love, prayers and warm wishes endowed
me with the energy and vitality that was very much needed for the accomplishment of
this lengthy and extremely complex endeavour.
The acknowledgement and whole effort are meaningless if I do not mention the
worthy contribution and support of my husband, Jamshaid Ahmed Cheema. He
facilitated my work in diverse ways, at times through emotional support and other
times, keeping silent when he needed my attention, love and time. His praise and
guidance has been of great value for me in the study. Without his boost, help and
cooperation I could never achieve this success.
I owe all my gratitude to my daughters Nawal, Manal and Meshal for
understanding and forgiving me for not providing them care and quality time during
these years when I was so pressed for time for myself.
My special gratitude is also extended to my sisters Dr. Naheed Atta and Dr.
Noshaba Nadeem for sharing with me their academic experiences and engorging me
during difficult time.
Deserving my special thanks is my friend Dr. Gulnaz Hameed who facilitated
my work in one way or other. I am also thankful to Mr. Sajjad for helping and
resolving my computer related issues. My humble thanks to all those whom I could not
name but their prayer and love holds me in my difficult times.
(Fouzia Jamshaid)
xvi
ABSTRACT
A good chunk of factors affect the economic growth and distribution of income
of the economy. Inflow of foreign remittance to developing economies is of prime
importance. The purpose of the present dissertation is to evaluate the impact of foreign
remittances on economic growth and distribution of income over time in Pakistan.
Viewed in this context, this research was conducted in two steps. In a first step, the
study intended to test the hypothesis whether; there exist long-run relationship between
foreign remittances and economic growth in Pakistan during the period 1972-73 to
2012-13.
In the 2nd step, the study tested the hypotheses that the effect of foreign
remittances on the distribution of income has been in favour of high income groups by
comparing the HIESs 2001-02, 2005-06 and 2010-11. In order to quantify and
compare the impacts, this study employed various techniques in line with the
Johansen’s Co-integration, Error Correction Model, Two Stage Least Square, Gini
coefficient, Lorenz curve Ordinary Least Square and formal statistical Chow test. The
empirical results supported the hypothesis that foreign remittances appeared to be an
important source for long and short term sustainable economic growth. The estimated
results of the study also tend to support the other hypotheses that foreign remittances
deteriorated the distribution of income in overall Pakistan and its urban-rural areas.
Keeping in view the findings of the dissertation, the study suggests that it is
imperative for Pakistan to maximize the benefits of labor migration and its resultant
foreign remittances. The study also recommends that appropriate measures are deemed
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necessary to attract maximum remittances to utilize their positive effects on economic
growth. For improving the distribution of income, government should take a
systematic approach to equip the lower and lowest income groups in order to enhance
migration opportunities for them. Moreover, to reduce the migrants cost and risk, the
government may establish migrants' network in the host countries by providing
financial assistance and guiding support to lower and lower income groups. A holistic
policy approach would be required both for short term adjustments and long term
planning keeping the changing dimensions of international labour markets.
1
Chapter 1
INTRODUCTION
1.1 BACKGROUND
People move to another country because of the differences of the real income at
home and abroad. They expect that, by migrating, there will be brighter prospects of
income and better living opportunities abroad as compared with the conditions inside
the country (advocated by traditional neoclassical approach). There is no question
about the importance of substantial real income dissimilarity as a movement of
international labor migration. In association with the costs of migration, according to
neoclassical theorists, large number of emigration that will have a constructive
influence on the part of origin because of their large involvement in economic well-
being of their home country. Not only of the individual migrants, but for the
community as a whole migration has enhanced the standard of living in the history.
One of the most important impacts of migration on source country is that of
money flows from the overseas employees to their home country, which are
considered as foreign remittances. Foreign remittances are that part of the payment of
labor, if we consider that labors are an exportable commodity. According to Galani et
al. (1981 a) “remittances may be defined as the part of earnings of workers while
abroad, sent back to home country from the host country”. Foreign remittances are
very important because they contribute a pivotal role in the economic uplift of
households and overall economic stability in the poor countries. The studies conducted
in the past show that most of the workers save and remit a large amount of their
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income to their home country during their stay abroad (Stahl and Arnold, 1986 and
Athukorala, 1990). According to Arif (1999), “remittances are the most attractive
aspect of masses working abroad for the government of labor exporting countries and
to the individual migrants and their families.” According to Guinigundo (2007) “the
impacts of remittances can be observed at the macro and micro levels. At the macro
level, such as to strengthen the balance of payment position, raise international
reserves, increase domestic consumption, and contribute to financial sector
development. At the micro level, such as to alleviate poverty, income distribution,
higher human capital investment, and improving living conditions”.
The importance of foreign remittances to home country can be understood by
taking into account their major advantages and disadvantages. As far as advantages are
concerned, remittances play an important role in development strategies, poverty
alleviation, reducing inequality, improve the standard of living such as attainment of
necessities and luxuries, better health and education standards, reducing
unemployment, moderating the foreign exchange constraints and improving the
balance of payment position, increasing savings, investment and capital development
for economic growth. They can also significantly contribute in the fiscal and monetary
management for the labor exporting country.
At the same time, in contrast to these advantages, remittances are not cost free
as their flow has not been without socioeconomic problems, particularly for the large
segment of the population in developing countries. Foreign remittances are an
unreliable source of foreign exchange earnings because it is subject to immigration
policies and regulatory steps of the labor importing countries. Besides that, there is
3
hardly any impact of foreign remittances on investment and growth, due to their poor
planning and ill utilization. Moreover, increase in consumption due to demonstration
effect fuel up inflation at home. On the whole, foreign remittances create income
discrepancies and worsen the distribution of income at local level. Large home
remittances have also resulted as high flow of brain drain in many less developing
countries and these countries have always been deprived of the best talent to be needed
for their country’s development and prosperity. It has also been observed that foreign
remittances do not use for productive purposes and generally go into buyer goods
luxury items, construction activities, real estate, and share markets etc.
The present study undertakes an attempt to evaluate and analyze the impact of
foreign remittances on economic growth and on the trends of distribution of income in
Pakistan. The remittances may be classified as local remittances and foreign
remittances. However, the domain of this dissertation compels us to focus only on the
impacts of foreign remittances. Moreover, this study focuses on the direct (first order)
impacts of foreign remittances and ignores the indirect ( 2nd and 3rd order impacts of
foreign remittances on production and employment wages)
The term economic growth usually applies to less developed countries,
referring to “the steady process by which the productive capacity of the economy is
increased over time to bring about rising levels of national income”. National income
accounts of any country include foreign remittances as a component of Gross National
Product (GNP). As mentioned by Kazi (1989) “inclusion of remittances in GNP
underlines their importance among total resources in the economy”. The foreign
remittances have macroeconomic impact on output growth in which consumption,
4
investment, imports and GDP growth are affected. The foreign remittances are an
internal part of national income with GDP.
Review of literature shows that through a number of channels, foreign
remittances can positively influence economic growth. First of all, foreign remittances
might ease the credit limitation of household revenue thus the entrepreneurial
movement and personal investment can raise. Over and above physical investment,
remittances could also help to finance education and health, which are also key
variables in promoting (long-term) economic growth (Yang, 2004; Woodruff and
Zenteno, 2006). Secondly, the credit worthiness of a country could be improved by
the remittances and hence increase its admittance to global investment markets. World
Bank (2006) mentioned that the estimation of nation credit ratings by global as well
depends on its size of foreign remittance flows; this is a different mode to raise
equally material and human assets investment, thus, attracting economic growth.
Thirdly, remittance inflows through multiplier-effect mechanisms could
produce positive impacts on economic growth. On the other hand, the term “income
distribution” is generally coined to “picture who receives how much income within
a specific society”. In economics, distribution of income is how a nation’s entire GDP
be circulated among its populations. Distribution of income plays a vital role in
economic theory and financial strategy of any country. In the literature, economists
generally discuss two main concepts of income distribution, the functional and
personal or size distribution of income. Classical economists were mainly involved in
factors of income distribution, which is, circulation of earnings among the main factors
of production, (land, labor and capita). However, generally, economists are mainly
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concerned with a size distribution of income across households and individuals. This
study also works with the range allocation of income to estimate effects of foreign
remittances in the country.
In terms of distribution of income, foreign remittances can directly impact on
poverty by increasing and improving the income of the households. Consumption of
the poor can be enhanced by the addition of that income. Not only its impact on
economic growth, but can also lift up the poor households’ standard of living and
reducing the poverty level. Foreign remittances also play a role in poverty alleviation
by increasing money supply to encourage the demand and increase consumption
expenditures which would finally assist households. Furthermore, foreign remittances
might resolve the investment constraints, thus the both substantial and human capital
savings of the country natives might be improved. The importance of the effects of
foreign remittances at different levels is realized. At the local level, remittances leads
to worsening the income distribution while at the national level, these may improve the
income distribution and help to reduce income inequality.
1.2 FOREIGN REMITTANCES AND PAKISTAN ECONOMY
In the beginning of 1970-71, as the trend of migration started, many workers
migrated to the Middle East and Gulf states because of the oil price boom. These
workers’ remitted, a significant amount of income to their home countries during their
overseas employment which created a boom in construction, personal consumption
and also reduced poverty. As a result, Pakistan received money remitted by migrated
workers about $ 50 million in 1970-71. In early 1980, remittances reached at peak in
Pakistan and considered to be golden period when around half of the remittance inflow
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of South Asia were received. But in late 1980’s, the trend in remittances started
fluctuating over the time due to cheap oil prices with the deteriorating Arab economies
(up till 1990’s). The Gulf war also has influenced in the flow of remittances.
According to official channel, the flow of remittances has declined from $ 1467
million to $1086 million in 2000-01. The tremendous increase in remittances appeared
due to the 11th September event in 2001, when remittances reached to more than
double in Pakistan. The rapid expansion in the flow of remittances occurred due to
shift from the unauthorized to authorize or banking channels after the said incident. In
the financial year 2014-15, foreign remittance flow has been increased beyond $18
billion (State Bank of Pakistan, 2015).
According to official data, there are more than six million Pakistani living
abroad, most of them residing in the Middle East, Europe and North America. Pakistan
ranks 10th in the world for remittances sent home in 2012 with an amount of 13 billion
dollars. Pakistan receives remittances from the United State, the United Kingdom,
Australia, Canada, United Arab Emirates, Saudi Arabia, and the Gulf State of Qatar,
Oman, Kuwait and Bahrain. Still Middle East is the major contributor (Government of
Pakistan, 2012-13).
In Pakistan, like other developing countries, foreign remittances have become
an increasingly the prominent source of external funding. Foreign remittances emerged
as a main source of foreign exchange in Pakistan since export has been remained
stagnant for years. Remittances contribute over 4 to 5 percent of Pakistan’s Gross
Domestic Product (GDP) and equal to about twenty two percent of annual export and
goods (Economic Survey of Pakistan, 2012-13).Therefore, the foreign remittances
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significantly influenced the Gross National Product (GNP) growth throughout the mid-
seventies, early eighties and first half decade of twenty first century.
These remittances flows in history have been important factors of Pakistan’s
balance of expenditure and have also shared to the increase the value of Pakistani
rupee value. Accordingly, remittances have been playing an central function in the
country’s exterior position and in conducting the exchange rate and monetary policies.
Qazi (2005) narrated, “In Pakistan foreign’ remittances also play a significant role in
alleviating poverty, reducing inequality, giving impetus to economic growth,
development and reduce current account deficit since long”. In the context of Pakistan,
Hyder and Mahboob (2006) estimated that an increase in foreign remittances as a share
of one percentage of gross domestic products is related to an appreciation of Pakistan’s
exchange rate by 0.16 percent. In the same way, Ahmed (2006) found that a 1 percent
increase in foreign remittances as a share of GDP appreciates Pakistan’s exchange rate
by about 2.5 percent.
In Pakistan, incomes inequalities have increased sharply in the 1990s and HIES
data also show that the trend is still continuing even in this decade. According to
annual plan (2005-06) of Pakistan “ household income or consumption by percentage
share that the lowest 10 percent of household’s receive 3.9 percent of total income and
the highest 10 percent households receive 39.3 percent of total income”. A report of
the US (2006) indicates that the Gini Coefficient for Pakistan is 0.68 and it is in the
range of 0.33 to 0.43 from 1987 to 1999. Income inequalities largely reflect
inequalities in the distribution of resources in case of Pakistan. Distribution of Income
in Pakistan is skewed as the poor have almost no assets and the lower middle-class
8
owns very few assets. There is uneven distribution of state, land, houses, plots and
other resources for the common people because they are not within their means. The
income inequality has increased severely in the last ten to 12 years in Pakistan and still
have upward trend.
The persistent strong rise in foreign remittances is mainly attributed to a rising
number of Pakistani workers going abroad for work. Foreign remittances have
contributed much to the Pakistan’s GNP and foreign exchange. Despite the strong rise
in foreign remittances since 9/11 in Pakistan has not translated into an improvement in
the economic growth and the distribution of income. In spite of the obvious and
significant benefits of foreign remittances for the economy of Pakistan, however, it is
important to evaluate their net impacts on domestic economy.
1.3 RESERCH QUESTIONS OF THE STUDY
Foreign remittances are primarily essential and secure cause of personal
inflows to developing countries as well as in Pakistan. Foreign remittances to
developing economies have been growing at a rather fast pace in current years. In 2013
foreign remittances remained appreciably higher than foreign direct investmentin
developing nations (apart from China). Officially recorded foreign remittances are $
430 billion in October, 2014. Foreign remittances grew by five percent to developing
countries in the period 2014. No doubt, for many developing countries they are the
main source of external funding. Still, no interest has been taken to evaluate the
economic effects of foreign remittances, particularly on the economic growth and the
distribution of income. Studies reveal that these foreign remittances can have
significant effects on the various factors in the developing economies, including
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economic growth and the distribution of income. Foreign remittances are found to
promote economic growth (Stark and Lucas, 1998). These inflows have also led to
lower poverty and economic disparity in the country (Mughal and Anwer, 2012)
The literature for the effects of foreign remittances on economic growth of
beneficiary countries is contradictory. Some researchers believe that foreign
remittances may impact positively on the economic growth in beneficiary economies
(Zafar and Sattar, 2005; Pradhan, Upadhyay and Upadhyaya; 2008, Fayissa and Nsiah,
2010b). While other researcher emphasizes that foreign remittances may impact
negatively on the economic growth. Chami, Fullenkamp and Jahjah, (2003), Karagoz,
(2009), Siddique, (2010). Adding up to the argument, there are also researcher who
asserts that foreign remittances have no impact on economic growth of recipient
countries of developing economies (Barajas, Chami, Fullenkamp, Gapen and Montiel,
2009; Rao and Hassan, 2011)
There are different paradigms in both the empirical and theoretical literature
regarding the impacts of foreign remittances on economic growth. The theoretical
literature on the effects of foreign remittances can be divided into two major schools of
thought. These schools of thought consist of the “migration optimists” and the
“migration pessimists”. Migration optimists advocate for positive growth effects of
foreign remittances. They demonstrate the positive indirect growth effects of
remittances through economic channels such as increased savings, investment capital,
human capital investments, extra employment and the overall multiplier effects of
consumption on aggregate demand and output (Adenutsi, 2010, Nishat and Bilgrami,
1991). On the other hand, both the school of thoughts argue against the positive
10
growth impacts of foreign remittances. Migration pessimists believe that foreign
remittances may have either negative growth effects or zero impact on economic
growth. They oppose that foreign remittances are usually used for consumption as a
substitute of investments as said by the migration optimists (de Haas, 2007).
The literature for the impact of foreign remittances on the distribution of
income of beneficiary countries is also contradictory. The majority of research studies
find that foreign remittances lead to increase in income disparity and strengthen
existing inequalities since foreign migrants in general come from the upper ends of the
income classes. “Foreign remittances are found to increase income inequality,
especially for the rural dwellers” (Ravanilla and Robleza, 2003; Capistrano and Sta
Maria, 2007 and Adams, 2006). They believe that in the early stage of the migration,
migrants approach from the more well-off families who are more capable to get risks.
Further, according to the Migration Cumulative Theory “only the upper end of the
income distribution can afford migration costs and risks. Countries like Pakistan,
Bangladess and Thailand, migrants were found to have approached from a more
prosperous background, while those from poor classes could not manage to pay for
the preliminary expenses of migration. This implies that migration benefits the higher-
income classes and widen the income gap. This may not be true as most of the migrant
are blue collar workers. Perhaps, regulation to remit money also makes a difference.
In some countries migrants are not allowed to remit in cash. Most of the skiled
migrants prefer to invests in the destination country if rules allow them to do so and
hence not much is remitted to the country of origin. Literature shows that most of the
migrants come from only definite income groups. Usually migrants come from richer
11
families and from urban areas, implying that these migrants can afford the costs and
risks of migration. (Rodriguez and Horton, 1995). This implies that only people from
certain income classes go abroad and take benefits of migration and consequential
their earnings may not be distributed equally. Rather, income inequality may also
increase in the home country due to these remittances. Because migrants face both
monetary and psychological costs, and lower income group has already been
unacceptable and avoids to be considered for migration. Moreover, the opportunities
for migration may not always be equally available among different income groups. In
other words, foreign remittances are not always equally distributed among the
population. At the same time, other researchers find that remittances improve income
distribution. However, some research studies recommended that the harmful impact of
foreign remittances on the distribution of income cannot be expected, and may be
scattered over time if migration opportunities are attained to all income classes.
Due to the contrasting literature, it is not easy for one to conclude on the
effects of foreign remittances in a developing country such as Pakistan. Moreover,
emphasizing the growing importance of foreign remittances for the economy of
Pakistan, their effects on the domestic economy are relatively unknown. In fact, there
are few studies in Pakistan that examine the effects of foreign remittances on growth
and the distribution of income. However, it is critical to assess their net impacts on
domestic economy. In one direction by doing this to evaluate the impacts of foreign
remittances on both “economic growth and the distribution of income”. Due to
significant increase in the amount of foreign remittances in the economy over the
time, there is a need to examine its impacts as of the high level of inequality in the
12
Pakistan. Thus, the current dissertation is an attempt to answer the following questions
of the great interest.
- Do foreign remittances affect economic growth in the short- run and long-run
in Pakistan?
- Do foreign remittances serve to improve or worsen the distribution of income
among the households in Pakistan across urban- rural areas?
1.4 OBJECTIVES OF THE STUDY
The objectives of this study are specifically aligned with the stream of research
examining the effectiveness of foreign remittances for economic growth and income
distribution. In the light of previous research suggesting controversial impacts on
economic growth and controversial for the trend in the distribution of income. The
objectives of the dissertation are as follows.
- To analyze the short- run as well as the long-run relationship among foreign
remittances, gross national product, private consumption, private investment
and imports in Pakistan.
- To observe and compare the patterns of pre remittances distribution of income
of households with that of post remittances distribution of income in overall
Pakistan in three selected years, i.e. 2001-02, 2005-06, and 2010-11.
- To observe and compare the trends of the pre remittances distribution of
income of households with that of post remittances distribution of income in
urban- rural areas of Pakistan in three selected years.
- To suggest some policy measures for the effective management and utilization
of foreign remittances in order to enhance the pace of economic growth and
13
improve overall distribution of income.
1.5 HYPOTHESES OF THE STUDY
Beside the above mentioned objectives moreover, this dissertation also
attempts to examine the following hypotheses.
- There exists short-run as well as long-run relationship between foreign
remittances and economic growth.
- The effect of foreign remittances on the distribution of income in Pakistan is in
favour of high income groups i.e. pro-rich.
- The effect of foreign remittances is more pro-poorer in urban areas than that of
the rural areas in Pakistan.
1.6 SIGNIFICANCE OF THE STUDY
As the main purpose of economic development is the improvement in living
standards of a common man. Just to achieve the goal, economic growth would not be
sufficient because economic growth and distribution of income jointly determine the
development in the living standards of an ordinary man. As a matter of fact, with an
enhance in poverty in Pakistan during 1990s, the focus of research has been shifted to
evaluate the percentage of the poor rather than the on the whole distribution of income.
Policy makers are also engaged to reduce the proportion of the poor in the form of
poverty alleviation programs rather than taking appropriate measures to improve the
distribution of income as a whole. There has been an increase in the number of studies
based on the subject of foreign remittances in the past years. Nearly all of the studies
focused fully on the effects of remittances in developing economies in general. The
effecet of foreign remittances on economic growth and distribution of income has been
14
one of the important issues in economic literature. Even though foreign remittances are
quite large, there is no agreement in the literature about the effects of these monetary
transfers on the economic growth and the distribution of income. There has been a
difference of opinion among researchers about the positive and negative association
and its impacts on economic growth and distribution of income.
Moreover, very few numbers of research studies have been conducted
regarding the impact of foreign remittances with reference to Pakistan context. Most of
the available literature on foreign remittances in Pakistan concentrated only on the
impact of foreign remittances on growth and poverty. Existing work to estimate the
impact of remittances on the distribution of income shows that a few attempts have
been made. With the exceptions of Gillani and Iqbal (1981) Adams (1992) and Mughal
and Diawara (2012), no study has examined the impact of remittances on the
distribution of income. Gillani and Iqbal (1981) argue that on the whole remittances
caused worsening of the distribution of income. Adams (1992) uses samples of four
districts and establishes that there is no considerable effect of remittances on the rural
distribution of income.
There is a dire need for the study that assesses the impact of foreign
remittances on economic growth and the distribution of income which distinguishes
Pakistan from the rest of the developing world. However, this study is set out in two
steps to analyze its impacts on domestic economy by taking into account GNP growth
and trends or pattern in the distribution of income in Pakistan, which has been a
largely neglected area in this context. This study comes into complement the few-
available research studies on the growth effects and income distributional effects of
15
remittances in Pakistan. However, for the impact of foreign remittances on economic
growth this study in first step employs a macro-economic approach and uses large time
series data of forty years. This study employs a Co- integration approach in order to
see short-run as well as the long - run relationship among the variables. By using large
time series data and Co-integration approach differentiates it from earlier studies and
come up with justified and unbiased results on the growth effects of remittances in
Pakistan. Previously, no study has used this approach and analyzed the relationship for
a longer period.
In literature poverty, income distribution and economic growth are closely
associated. The more unequal distribution of income, the larger proportion of the
population living in poverty. Therefore, incomes at the top and middle of the
distribution are as equally important to us as the income of those at the bottom. In this
dissertation, it is, therefore, worthwhile to analyze the impact of remittances on the
entire distribution of income rather than considering just the base of distribution in the
domestic economy of Pakistan. Consequently the impacts of remittances appear to be
substantial and thus looking attractive for further research.
In the existing research, there is no consensus on how remittances impact
income distribution. These studies use different methodologies, surveys, data sets and
areas. Few studies focused only on the short-term effects of foreign remittances on the
distribution of income covering primary data or specific survey.In this regard, this
dissertation in its second component recognizes the importance of analyzing the
impact of remittances on the income distribution over a much longer time. Moreover,
this study observes the trends in the distribution of income by using three latest
16
household surveys for urban-rural areas and in overall Pakistan. Previously, no study is
available for employing the pre-post remittances analysis of the distribution of income.
Hence, by looking at a longer time span in the urban- rural area and in overall
Pakistan, the study helps in observing the trends and the patterns in the distribution of
income. Hence, this dissertation is of great scholarly help in preparing policy
recommendations for policy experts in Pakistan. Furthermore, this dissertation hopes
to add the accessible literature on foreign remittances, economic growth and
distribution of income in Pakistan.
1.7 ORGANIZATION OF THE STUDY
This research study presents four chapters. Chapter one focuses on the rational
and the background of the study, including the hypotheses, objectives and significance.
Relevant literature review related to foreign remittances, growth and distribution of
income are discussed in chapter 2. Chapter 3 dwelt upon the methodological issues,
specification of the models and explanation of the data used in this study. Chapter 4
offers the results and discussion regarding the foreign remittances versus economic
growth and the foreign remittances versus income distribution analysis. Finally, this
chapter also summarizes and concludes the study with policy recommendations for the
economy of Pakistan. Moreover, appendixes having different important related
concepts and data used in this study are also given. The references used in the study
are listed at the end.
17
Chapter 2
REVIEW OF LITERATURE
2.1 INTRODUCTION:
Review of the related literature has a benchmark importance in any research
work. This chapter deals with the review of almost all available previous theoretical as
well as empirical studies on a national level. On the issue of foreign remittances,
growth and distribution of income, a good number of international studies have also
been taken into consideration. It would make to understand the topic in depth. The
rationale of this chapter is to discover and ascertain the previous works in this field
which will enable us to point out that where the flaws and imperfections exist
generally in this study. It also gives answers to the questions such as what has been
carried out done and what would still to be conducted in this particular area of study.
According to Gail (1989), the review of literature in any field forms the foundation
upon which all future work must be built.
The literature review presented in this chapter provides a foundation on the
basis of which one can develop arguments in support of the methodologies proposed in
this dissertation. The chapter is separated into three key sections as follows. The first
section put forward the discussion of the theoretical literature and provides the
theoretical framework for linking foreign remittances, economic growth and
distribution of income for this dissertation. The second section reviews the empirical
research literature on the time-series, cross section and survey based analyses. The
third and last concluding section highlights gaps in existing literature and justifies the
18
contribution of this study to bridge these gaps. This section also highlights the
importance of defined arguments in the context of Pakistan economy.
2.2 THEORETICAL FRAMEWORK: LINKING FOREIGN EMITTANCES
TO ECONOMIC GROWTH AND INCOME DISTRIBUTION
Foreign remittances, economic growth and distribution of income are three
main concepts involve in the discussion and present in the dissertation. In the absence
of a theoretical framework the analysis of foreign remittances may not clarify the flow
or give guidance on the factors which would influence continuous inflows obligatory
for development and economic growth. This section helps to understand the theoretical
framework for analysis of the foreign remittances and their implications on the
economy and society. It also identifies some of the variables determining sustained
inflows for growth purposes. The section invites to categorize the determinants of the
level of migrants ‘remittance flows. The section of the thesis presents the theories
which are explaining for the unusual behavioral model of foreign remittances. This
conversation then followed by another discussion related to the brief theoretical outline
of the growth effects of foreign remittances. At the end, it’s followed by theoretical
discussion regarding income distribution effects of foreign remittances.
The issue of foreign remittances arises only because there has been an earlier
decision to migrate, thus the analysis of remittances cannot be separated from an
analysis of the factors which stimulate migration. These are different motives, such as
Motive for Self- Interest, Motives of Altruistic, Motive of Coinsurance and Motive of
Loan Repayment. There are two important factors for determining the level of
remittance flows. The OECD (2006) highlights the significant factors in the level of
19
remittances flows. Income and savings of the migrants is the first factor, which
manipulate the quantity of wealth they may be able to send to support the family. The
2nd factor which is responsible is the residence class of the migrants and their
intentions whether they stay permanently in the host country. The OECD (2006)
mentiones some of the significant factors for the intensity of foreign remittances are
network and the welfare effects of the migrant’s relatives.
The main issue is what are the motivators at the backside of the migrants to
remit, on the whole when they evaluate that how foreign remittances impact. In order
to counter the research question on the link among economic growth and foreign
remittances, it is essential that one carefully looks at the related objectives of the
migrants. Chami et al. (2003) pointed, “that there is a need to recognize the behavioral
patterns of foreign remittances to see how can foreign remittances really impact on
financial and economic growth. These motives and behavioural patterns have been
twisted into theories of macroeconomic to understand the trend in the flow of foreign
remittances”.
The most recent studies claim that self-interesting motives exist for remitting.
Migrants will engage their family members for investment in the home country as their
agents. Stark (1991) as well as Agarwal and Horowitz (2002) and Gubert (2002) argue
“that the family can do something as an insurance company that protects its members
against income shocks by verifying the sources of income”. Apart from of the motives,
the volume of foreign remittances also play important role in the determination of the
income. If higher the income, the larger would be the foreign remittances into the
20
home country. Even if foreign remittances at first sight emerge to be really self-
interested, the system may be an altruistic one.
With regard to the effects of foreign remittances on the economy of the labour
sending country in the literature, there are two special viewes: the optimistic view and
the pessimistic view. The first one aspects foreign remittances as mechanisms for
development and economic growth, it comes as of the neoclassical migration theory
the development optimistic view dominated throughout the 1950s and 1960s. “The
common hypothesis the supporters of this theory generate is that flows of foreign
remittances as well as experiences, aptitude and consciousness that migrants attain in a
foreign country will improve development in the recipient countries” (Adenutsi, 2010,
Anaynwu and Erhijakpor, 2010).
The Neoclassical economists also situate, migration into an optimistic light. In
the Neoclassical model of balanced growth, migration is method contributing to the
optimal distribution of factors of production, which help all uniformly both countries
of origin and the recipients. Especially the take-off in the economic sense is expected
to thrive because migrants would be expected to invest great capital into enterprises in
the countries of origin (de Hass, 2007).
In the late 1960s, a new point of view on the subject of foreign remittances,
migration and development come out. “The theory arises from a conversion in social
sciences in the direction of more structural views” (de Hass, 2007). “This theory
suggests that the net effect of migration and foreign remittances does not promote
sustainable development” (Adenutsi, 2010). In addition, this theory implies that the
deprived do not have sufficient money to move abroad because of the expenses
21
associated to migration, such as travelling costs. Adenutsi, 2010, Chami et al, 2008, de
Hass, 2007). This would imply that foreign remittances might increase the income gap
in developing countries even further. Moreover, it argued that foreign remittances
would not be used upon attracting investment, as optimistic view would imply.
Also, Nishat and Bilgrami, (1991) have concluded that remittances indicate
strong positive impact on economic growth, the larger impact on private consumption
and smaller on private investment. Ratha (2003) has recommended “that foreign
remittances that raise the consumption levels of rural households might have large
multiplier effects because they are more likely to be used up on locally produced
goods”. However, as for countries with low gross domestic products foreign
remittance receipts can alter the functions of recognized capital markets and also
undermine exchange rate regimes through the establishment of equivalent money
markets.
Foreign remittances used for as the core resource of foreign exchange income
and stand for in surplus of ten percent of Gross National Product for a lot of countries
(Juthathip and Jongwanich, 2007). At the macro level, Adam, Page and Elasaka(2003,
2004, 2005) show the poverty reduction impact of foreign remittances and also show
that a 10 percent increase in foreign remittances in a developing economy decrease
the poverty by 3.5 percent in that country. Policymakers can take help from such
impacts for future policies to generate more flow of remittances.
The uses of foreign remittances are widespread and not simple to grip.
According to Lucas (2004), “foreign remittances can directly affect poverty through
the rise of the income of the recipient, which in turn smoothen the consumption of the
22
poor and alleviates poverty”. The foreign remittances can control the poverty in some
direction through their impact on economic growth, in addition to, on the distribution
of income and human capital growth. Lipton (1980) points out that income distribution
worsens due to foreign remittances. Milanovic (1987), Adams (1989) and Talor (1992)
explain in their empirical work that foreign remittances made the income distribution
worsened. On the other hand, Anyanwu (2011), Barham (1992), Ahlburg (1996) and
Handa and King, (1997) view that foreign remittances largely reduce income
inequality.
Foreign remittances raise the family incomes at the family level, Hence raising
savings and private consumption of durable and nondurable products. Definitely,
foreign remittances are division of a personal wellbeing system that transfers resources
from comparatively wealthy to comparatively poorer houshods of a family. “They
reduce poverty, smooth consumption, affect labour supply, provide working capital,
and have multiplier effects through increased household spending. For the most part,
foreign remittances seem to be used to finance consumption or investment in human
capital, such as education, health, and better nutrition” (Lopez-Cordova, 2004;
Hildebrant and McKenzie, 2005; Adams, Cuecuecha and Page, 2008).
Hence, the outcomes are gained as of these foreign remittances are depended
upon the way how the leftbehinds are used up them. Chami et al (2005) “argues that
migration and associated remittances may create a moral hazard problem, inducing
disincentives to work among migrant household members” (Azam and Gubert, 2006).
Along the societal side, Rodriguez (2000) argues “that remittances have, quite apart
23
from increased family tensions within families but also with migrants. It also
associated with moral hazard problem”.
2.2.1 Foreign Remittances and Economic Growth
In many circles it has been discussed that the impacts of foreign remittances on
economic growth of the country and be inclined to disagree with every one. “The
biggest and the most contested issue whether foreign remittances are saved or
consumed. Migration optimists believe that remittances are saved and generate
important capital for development in an economy. Migration pessimists counter such
thinking and argue that foreign remittances are mainly used to consuming thereby
having limited or no bearing on economic growth” (de Haas, 2007).
According to one school of thought which perceives foreign remittances as an
main cause of development capital discuss “that foreign remittances used for
consumption can still result in increased economic growth as a result of multiplier
effects on aggregate demand, which have a positive bearing on total output” (Brown,
2006, Gupta et al., 2008, Pradhanet al., 2008, Ratha, 2003).
Moral hazard problem of foreign remittances that negatively affect labour
supply pointed by the school of thought related to remittance pessimists. “In this
situation, foreign remittances are thought to be a disincentive to work” (Chami et al.,
2003). One more conflicted question regarding the issue of that the extra demand
created by foreign remittances increase or lower consumption.
Those in favour of remittances believe that such additional demand can
generate more employment (OECD, 2006): Whereas, those in opposition to
24
remittances argue that the additional demand causes inflationary pressures in the long
run that may have negative employment effects (Catrinescuet al., 2009).
2.2.2 Foreign Remittances and Distribution of Income
Having reviewed the effects of foreign remittances on economic growth, it
is now essential for the researcer to concentrate on income distribution effects of
foreign remittances as these have been discussed in the literature. Economists have
shown interest in income distribution from the beginning of economics as a separate
discipline, although their interests vary over time and space, and from person to
person. Classical economists’ claim that the distribution of income has primary
importance and it is the distribution of income between the main factors of production.
Some other economists concern with the size distribution of income which indicates
the distribution of income across households and individuals.
There are only three groups in society according to theories based on functional
distribution. There are some other concepts of income distribution also used for the
study of income inequality. That makes help in the distinction between urban groups
and rural areas. Up till now the theoretical argument regarding income inequality
related to the two main ideas of functional and size distribution of income.
Moreover, income classes of the migrants have impact on amount of foreign
remittances and the distribution of income. If migrants, generally related to relatively
well-off, then their foreign remittances may have worsen impact on income inequality.
On the other hand, if migrants are belonged to the lower classes, then foreign
remittances may add to larger income equality.
25
Therefore, “the effect of foreign remittances on the distribution of income over
the time depends on how information and factors that make possible migration become
diffused through the population. If access to these factors easily extend across
households, then migration and hence the receipt of remittances by those at the lower
ends of the income distribution is likely to occur, possibly reducing the initially
unfavorable effect of remittances on income inequality” (Stark, Taylor and Yitzhaki
1986).
Furthermore, the types of labour or skills demanded abroad may change with
the passage of time, depending on the developments in the labour markets of the
receiving economies. These shifts in demand for migrant labour may in turn determine
the income distribution in the sending nations. For instance, if the demand for labor
abroad shifts towards those occupations that require lower skill and education levels,
then migration opportunities are opened up, especially for those in the lower income
brackets, who may be constrained from acquiring higher skill levels. In this case,
migrants’ remittances may contribute to greater income equality.
A large part of theoretical literature has been erected around the concept of
functional distribution of income. The functional distribution shows how much income
is received by each factor of production. This is how total income is distributed
between land, labor and capital. Theories based on functional distribution consider the
existence of only three groups (or classes) in society: laborers, capitalists, and
landowners, assuming within group homogeneity. It elaborates the share of total
national income that each factor of production receives. Process of functional income
distribution requires the comparison the percentage that labor receives as a whole with
26
the percentage of total income distributed in the form of rent, interest and profit. The
actual process can be illustrated by the firm-individual relationship. At first the flow
from the firm to individuals, who are the owners of the factors employed. The landlord
receives his rent, the worker his wages, the investor his interest and profits.
The war of tug between entrepreneurs and workers springs from the conflict of
interests present among them. As, it is well known, the profit is the residual balance of
the activities of the firm or, saying more precisely, is the share of entrepreneurs. So,
the quantum of this residual depends upon the payments made to other factors, that is,
if wage, rent and interest rates are decreased (increased), the profit will be increased
(decreased). Remember that the profit also varies with the prices of commodities and
services produces by the firm, but it is not poining to be concentrated in our present
discussion.
It is obvious from the interdependent nature of profit with other rewards that
the willingness of entrepreneur to hire factors of production in such proportion, which
gives him a larger share in the enterprise, plays a major role in the distribution of
rewards. The theory that explains the extent of the willingness of entrepreneur in
hiring factors of production is termed as “marginal productivity theory of factor
prices.” This theory elaborates that factor will be rewarded well or ill according to its
contribution to the total product or revenue of the firm.Formally, marginal productivity
theory can be defined as the increase in total revenue or total output of the firm
resulting from the employment of an additional (last) unit of the factor. The
specification of the term additional unit with the ‘last unit’ necessitate that the
27
marginal unit of the factor is the unit the entrepreneur has just hired, in an expanding
industry; or is about to discard in a contracting industry.
It is clear that the demand for factors is created by entrepreneurs in the factors
market and this demand is a derived demand, which arises not due to the factors are
demanded for themselves, but for what they can create: goods and services. This
process bestows the entrepreneur maximum profit through the channel of last cost
combination of the factors and the greater revenue from the sale of these goods and
services. So, if demand for final goods and services. So, if demand for final goods and
services produced by a firm is higher (lower) than the demand for the factors
producing those goods and services by the firm will be higher.
There are many criticisms of the marginal productivity theory; but we explore
those, which serve our purpose of shifting the discussion from functional to the size
distribution of income. To judge a country’s performance, empirical verification by
using facts and figures is unavoidable, marginal productivity theory of distribution on
the other had possessed mostly theorizing style and very little bother for empirical
verification.
Hence, functional distribution is less helpful in an empirical work of our type,
especially, where horizontal and vertical equity are the objectives of a national
government. Furthermore, grouping of factors with different incomes is also difficult.
For example, groups of workers with identical skills, who are paid alike, difficult to
construct practically due to the difficulty of identifying better and worse workers with
common skill. So some workers in that skill will be paid more; some will be paid less
28
than their actual individual marginal products. Similar difficulties can be seen in the
grouping of workers of a given sex, age and educational qualification in a particular
industry, where firms may pay these groups same wages. Especially, in the beginning
due to the problem of accurately measuring the marginal products of individuals.
All the above problems can be avoided by adopting the idea of size
distribution, particularly, when one wants to judge empirically the effect of
government programme upon different income groups of the society as a whole.
Concept of size distribution of income also bestows the researchers different tools;
like, Lorenz curve and Gini concentration ratio, for examining the degree of fair of
worse distribution of income. Needless to say, the above outcomes of the concept of
size of distribution of income have made easy to examine the poverty conditions of a
country at an aggregate level.
Playing the final round against functional distribution of income, a person may
be the employee of a firm but, at the same time, he is earning interest from his
investment or he may have inherited property that can comprise many forms. For
example, fertile land, commercial land, residence building given on rent etc. so it will
be difficult to categories him rightly.
The only solution is to divide all individuals not on the basis of their sources of
earning but on their earning. This above notion leads us to a precise definition of
personal or size distribution of income, which can be defined as, “It is a measure that
solely deals with individual person or households and the total earning they receive,
while ignoring their sources of income”. It means that no matter the incomes in the
29
pockets of persons or households are derived from employment only or from other
different sources like profits, rents, interest, inheritance, gifts and so forth, they are
grouped according to their quantum of incomes and not according to the different
channels by which their earnings move into their pockets.
Also, the occupational sources of earning like trade, manufacturing,
agriculture, services and the spatial consideration or location are shrugged off.
Moreover, number of working hours, sex, age, educational qualification, skill,
experience, status and other items of these types deserve no attention. For example, if a
person A is more qualified than a person B, but they possess same quantum of earning,
then they will be adjusted in the same group irrespective of the difference in their
qualification. Same is the case with other items.
The procedure of constructing a size distribution of income for a country is
very simple. Firstly, different income groups, each having some particular income
ranges, are ordered in ascending fashion. And then, according to their personal
incomes, all individuals or households are adjusted in different income groups, having
definite income ranges.
This process gives a column of income groups in ascending order. The second
column is of personal income, which is usually taken in percentage; this column
determines what proportion of total national income each income group receives. “At
the beginning of a country’s migration history, when few households have just started
establishing contacts at the receiving economy, the distribution of remittances is
necessarily unequal” (Stark, Taylor and Yitzhaki 1986). There are many observable
30
facts. One is that, during this time, information about the working conditions abroad is
scarce and costly; because of the uncertainty that this creates, migration, in a sense,
becomes a high-return yet high-risk investment. Therefore, the first households that
will vest in a migration decision are likely to occur from the upper rungs of the income
distribution, since they are more financially able to take on its costs and perils.
In addition, to mention here that migration is demand-driven, any inequality in
the distribution of income puts those in the lower-income classes at an even greater
disadvantage. Working abroad may require specific skills, a certain level of education
or experience, and even English proficiency, depending on which foreign labour
market or occupation opens its doors to migrant labour. Thus, unless the low-income
classes can afford to acquire the skills and levels of education demanded by overseas
workers, then migration may remain to be a valid option only for those in the high-
income classes.
The impact of foreign remittances in the overall household distribution of
income at this early stage, therefore, depends firstly upon the amount of foreign
remittances in relation to income from other sources. If remittance-receiving
households depend significantly on foreign remittances to boost their income, then the
distribution of foreign remittances is expected to greatly contribute to the distribution
of income. If, on the other hand, foreign remittances represent only a small part of
household income, then remittances will have a minimal effect on income distribution.
Ahluwalia and Chenery (1983) associate the variations in income at the lower
levels with the lack of human skills, physical capital and access to them. Attansasio
and Sekely (1999) document that income inequality in Latin America is, to a large
31
extent, a reflection of a very skewed distribution of income generating assets.
Therefore, asset distribution cannot be disregarded when assessing the effects of
economic growth on income inequality.
Finally, successful migrants make available important information to those left
behind, and this may raise the latter’s tendency to migrate. These would-be migrants
now are feeling more relatively deprived of, will also want to migrate in order to shift
the distribution of returns to migration in their favour. Moreover, the early migrant
makes migration a much more worthwhile undertaking because the information they
bring reduces the risks and uncertainty associated with it. In some instances, too, early
migrants provide direct assistance to new migrants by financing the costs of migration,
especially for family and friends. In other words, migration flows tend to create a
“migration chain” that generates opportunities for later migration (Tan 2000)
Therefore, the effect of foreign remittances on the distribution of income over
the time depends on how information and factors that make possible migration become
diffused through the population. If access to these factors easily extend across
households, then migration and hence the receipt of remittances by those at the lower
ends of the income distribution is likely to occur, possibly reducing the initially
unfavorable effect of remittances on income inequality (Stark, Taylor and Yitzhaki
1986).
Furthermore, the types of labour or skills demanded abroad may change with
the passage of time, depending on the developments in the labour markets of the
receiving economies. These shifts in demand for migrant labour may in turn determine
the income distribution in the sending nations. For instance, if the demand for labor
32
abroad shifts towards those occupations that require lower skill and education levels,
then migration opportunities are opened up, especially for those in the lower income
brackets, who may be constrained from acquiring higher skill levels. In this case,
migrants’ remittances may contribute to greater income equality.
This should partly explain the divergence of views about the effect of foreign
remittances on income inequality, because the empirical studies did not temper their
conclusions with the fact that the observations were made in distinct and specific
stages of the migration process. Moreover, because the impact of foreign remittances
and income inequality is state-specific, looking at longer span of time logically
suggests that this impact may also change over time. More explicitly white remittances
do seem to worsen income inequality at the start of the migration chain, they may be
expected to gradually reduce inequality, as more people from the lower ranks of the
distribution are enticed and are able to migrate.
REVIEWING THE STUDIES OF EMPIRICAL NATURE
For the relationship among foreign remittances, growth and distribution of
income, the is lot of empirical literature is accessible. The performance shown so far in
Pakistan on the issue of remittances, growth and income distribution is restricted in
range as compared to other labor exporting countries. It would be helpful to evaluate
some of the previous national and international, academic as well as experimental
studies, which would make us to understand the subject in detail. This will also enable
us to investigate the restrictions of the preceding work in this area. For a more
comprehensive study, the literature is divided into two parts. The first part is related to
time series analysis about the foreign remittances and economic growth, relationship,
33
second part is related with cross sectional and survey based analysis on the remittances
and trends in income distribution.
2.3.1 Foreign Remittances versus Economic Growth (Time Series Analysis)
Gilani et al. (1981) widely discussed the issues related to the topic of migration
and foreign remittances in the economy of Pakistan. Their study used primary data and
based on the cost-benefit analysis of labor immigration. They took a sample of 15,000
migrants and their kings. For this purpose they included a sub-sample covering 250
villages, 50 towns and cities. They used simple methodology for determining the entire
number of migrants. These total migrants were urban as well as rural. They classified
the flow of remittances into three categories and uses of remittances into five
categories. They used only direct costs and benefits for each item and they concluded
that the net effect is constructive. Based on study findings, they concluded and
recommended that policy makers should handle the bottlenecks for the labors. They
also concluded that consumption takes a big share, but savings are also subjective,
mostly when retained funds of workers are incorporated.
Rashid (1986) for the impact, in his study used the survey data from Pakistan
(ILO/ARTEP Phase-II Migration Study). He proved to link up the uses of remittances
by the migrant household with the overall growth of the state. The uses of remittances
were carefully analyzed by the author in detail. It was observed that foreign remittance
financed major part of cumulative consumption, housing and other investments. He
also observed that growth standards in construction, small scale manufacturing,
communication and transport. The flow of foreign remittances also positively
34
influenced the retail trade and wholesale trade. The empirical result of his study
support the results of other studies.
Burney (1987) studied the macro economic impact of foreign remittances by
using the time series data for the period 1969-70 to 1985-86 for the economy of
Pakistan. His work focused on the effects of foreign remittances on some
macroeconomic variables. At the same time, by the estimation of magnitudes of these
remittances, he has originated, that in short-period exchange rate policy has major
positive pressure on the flow of foreign remittances, whereas in the long-period,
economic activities in the Middle East mostly determine foreign remittances. The
author considered the real remittances, which include both authorized and
unauthorized. To maintain a reasonable economic growth, the inflow of foreign
remittances has helped the Pakistan’s economy. The author found in his study that
foreign remittance inflow and Gross National Product and economic growth are
extremely associated.
He also found that the average annual growth rate (GNP) during period under
consideration was the maximum i.e. (eight percent). Conversely, during 1982-83 to
1985-86 due to quickly turn down in foreign remittances the average growth rate of
Gross National Product (GNP) also decreased from 8.0to 6.0 percent. He concluded
that saving and investment must have a positive relationship with remittances. But
after estimating regression equation, the author found that there did not appear to be
any systematic relationship between remittances, saving and total fixed private
investment because the economy as a whole is not utilizing the remittances to enhance
the capital stock in the economy. At the end, he also concluded that there may happen
35
simultaneity problems while estimating the magnitudes by ordinary least squares
(OLS) method. Therefore, in his study, he used a simultaneous equation system for
estimating different variables.
Quibria (1987) highlighted the issues on the subject of foreign remittances and
economic development. Due to the oil boom of 1973, the Middle East (ME) emerged
as a “growth pole” within the developing world. It was also followed by a construction
explosion in these countries for which their own labor force was scarce. Many Asian
countries took advantage of this, especially after 1975. Foreign remittances and its best
use for economic development purposes will continue to be a main policy thought for
many Asian labor exporting countries. Many factors and policy packages influenced
on foreign remittances. The crux of this study gave some insights into the
responsibility of migrants and the foreign remittances in the economic development of
the developing labor excessive Asian economies. The author recommended some
policy directions to all Asian economies that labor market handling must be made
accordingly. He further added the employment policy should accomplish the
prerequisites of the migrating economy and also exchange rate policy and financial
services to migrants for capturing high rate of foreign remittances is needed.
Kandi and Metwally, (1990-91) they studied the impact of migration and
foreign remittances on the economy of Egypt. With the help of annual data from 1970
to 1984, they estimated the Keynesian macroeconomic simultaneous model by using
Three Stage Least Square (3SLS) assessment techniques. The authors anticipated the
reduced from the equation of the Seemingly Unrelated Regression (SUR) and
Structural model techniques in their study. This study related to the multiplier analysis
36
of foreign remittances to Gross National Product and through its main components. It
was also concluded that foreign remittances have a positive impact on Gross National
Product but the impact of rise in foreign remittances diverse across the different
variables of Gross National Product (GNP). Remittances have more positive impact on
consumption and minimum impact on private investment. This study is mostly
concerned with the positive aspects and left out the negative
Nishat and Bilgrami (1991) tried to determine the impact on Pakistan’s
economy. The authors used the annual data for the time period of 1959-60 to 1987-88
and analyzed the impact of foreign remittances for the economy of Pakistan. They
practiced a simple Keynesian Structural Model for estimation of the remittances
multipliers in Pakistan. They estimated the structural equation using 3SLS techniques.
The authors used the results of a model to estimate the magnitude of marginal
propensities to consume, investment and imports. They used these magnitudes to
estimate the impact of a rupee increase in remittances on national income of Pakistan.
They concluded that the results indicate strong positive impact on GNP. They also
showed that remittances indicate that larger impact on private consumption and
smaller on private investment. Their study originated a multiplier of the magnitude 2.4
which operated on, mainly from side of consumption.
Nawab and Javed (1997) evaluated the impact of remittances on the economy
of the home country and its macroeconomic variables e.g. private consumption, private
investment and imports. For this purpose they utilized Keynesian macroeconomic
model developed by Kandil and Matwally (1990) and modified the model by
incorporating some explanatory variables in it. They used annual data from 1971-72 to
37
1993-94 and estimated model by Three Stage Least Square Technique. They
concluded that remittances had a strong positive impact on GNP in Pakistan. They
added that remittances also had a positive impact on the private consumption, private
investment and imports. The results were further clarified by estimating the reduced
form equation and the structural model with Jointly Seemingly Unrelated Regression
Method, where coefficients were found statistically significant at a reasonably high
level. They suggested that the government should take measures to attract the
remittances and build firm promises to enhance the saving rate. They indicated that the
government should not close the eyes for the rural expanses of Pakistan as the larger
proportion of migrants is from rural surroundings.
Arif (1999) examined that foreign remittances and investment at the household
level using survey data on homecoming migrants. His study showed that propensity of
Pakistani migrants to remit was extremely high 78 percent. The bulk of the workers,
even if their period of stay out of the country were long remitted about three quarters
of their earnings. In this research, the author analyzed that workers and their families
did direct a significant amount of foreign remittances into saving and investment when
migrant had been out of the country for long periods. This study also showed that the
investment and saving of the migrants were determined by different factors.
About remittances, he concluded that the proportion of remittances saved was
substantially greater among rural households than among urban households. He also
found that factors that were responsible for directing remittances to investment were:
the procedure of employment, including the price of migration and sources of its
financing, pre migration family’s economic position, the human capital of the migrants
38
and marital status. It appeared that education provided them with better contact with
the information and knowledge essential for coping us with the new demands placed
on them by migration. It was concluded by the author that the higher the education, the
greater the prospect of using remittances productively. He suggested that investment
related information should be provided to the migrants’ families. Some attractive
schemes should be launched for the migrant workers. Migrants and their families
should be educated in a way that they can learn how to utilize the resources in a better
constructive way.
Glytsos (2002) examined the dynamic effects of foreign remittances on
economic growth of Mediterranean countries, including Egypt, Jordan, Morocco,
Greece and Portugal using simultaneous equations Keynesian macro econometric
model for the time period of 1969-1998. The impact and dynamic multipliers were
calculated from reduced form equations of income, investment, imports and
consumption functions. The results specified that the effects of foreign remittances
were differentiated in sizes, but not in nature in different countries. Therefore,
remittances are signs of country specific conditions. The study also highlighted that
remittances bad effect more when decreasing, but good effect is less when increasing.
Sattar and Zafar (2005) in their studies, attempted to give an answer to the
main economic issue whether foreign remittances impact on economic growth of the
economy of Pakistan. They used the latest time series data for the years 1972-73 to
2002-03. The multiple regression framework was used to see the effects of foreign
remittances on some macroeconomic factors on actual GDP growth. The results of
their analysis are spokesperson of current research for the determinants of growth. The
39
quantitative evidence showed that real GDP was positively related to worker
remittances during 1972-73 to 2002-2003. It was found that worker remittances
ppeared to be the third important source of Capital for economic growth in Pakistan. In
the regression result, it was found, that there were only some factors which negatively
affected economic growth of a country during 1972-73 to 2002-2003. For example,
inflation and external depths were also negatively related to economic growth. Their
studies focused out macroeconomic effects of remittances flows on economic growth.
They analyzed the effect of remittances on the real GDP previously there is no such
type of micro economic study or analysis.
Jacques, Bouhga - Hagbe (2006) showed in the cross country study that
foreign remittances are equal to about twenty two percent with the share of exports of
commodities and services in Pakistan. Moreover, these flows are very significant part
for Pakistan’s balance of expenditure and also strengthening the currency of Pakistan.
As a result, foreign remittances participating a significant function in the country’s
exterior situation and manipulate the conduct of economic and exchange rate strategy
in the country. The study showed the direct link between the observed variables.
Karagoz (2009) examined in his study the connection between foreign
remittances and economic growth in Turkey. This study used panel data for the period
1970-2005. The time series regression results revealed that foreign remittances flow to
Turkey have statistically important, but negative impact on the economic growth but
exports and domestic investment positively affect the economic growth. The study
used the Model developed by Chami et al (2003). The study used per capita GDP,
Gross Capital information (Gross Domestic Investment) and Net Capital inflows as
40
variables. This study used the level, rather than growth, of foreign remittances to GDP.
The Ordinary Least Square applied and originated the results. The results discovered
that per Capita GDP and the foreign remittances ratio to Gross Domestic Product were
negatively interrelated in Turkey. The result is as that of same like Chami et al (2003)
which points out moral hazard problems can strict to decline economic activities.
Muhammad and Ahmed (2009) examined as case study for the effects of
foreign remittances on economic growth, of Pakistan. They utilized time series data
from 1973 to 2007. They collected the data from annual reports of the State Bank of
Pakistan and Federal Bureau of Statistics of Pakistan. This study used level of income
of GDP and foreign remittances. The study used level of income (GDP plus
remittances), consumption, investment and imports as variables. The study used
Keynesian type simultaneous econometric model with a dynamic perspective. They
used impact multipliers for short run relationship and dynamic multipliers for long urn
effect. The results showed that investment is highly significant positive coefficient of
income. The consumption and imports are also positively affected by income. In long
run results showed that foreign remittances affect output growth positively through
multiplier process.
Siddique (2010) in the study of foreign remittances and economic growth;
Empirical evidence from Bangladesh, India and Srilanka examined the causal link
between international remittance and economic growth. This study utilized time series
data from 1976 to 2006. The data were taken from World Bank publication. The study
used remittances per capita and GDP per capita for all three countries. The authors
employed Granger causality test under a Vector Auto Regressive method (VAR)
41
framework (Granger 1988), Unit root Test and Co-integration. The analysis reveals
that both time series, remittance and economic growth are I (1) and are not co-
integrated. They found that growth in foreign remittances did lead to economic growth
in Bangladesh and it is only a one way causal relationship. In India there is no causal
relationship between growth in remittances and economic growth. But in Srilanka a
two way directional causality is found. It means in Sri Lanka economic growth is
being influenced by growth in foreign remittances.
Sami (2013) investigated the role of remittances, banking sector development
and economic growth in Fiji. The study used time series annual data from 1979 to
2010. The data were obtained from World Development indicators (2011). The author
used Bound Testing Procedure developed by for examining co-integration relationship
between remittances and banking sector development. He also used the Vector Error
Correction Model (VECM) and Toda Yamamoto Granger Non Causality test for
causality analysis. The study established long urn relationship between foreign
remittances, economic growth and banking sector development. This study suggested
that there is causality from economic growth and remittances to banking sector
development. The economic growth is measured by real GDP per capita. Banking
sector development is measured as a ratio of domestic credit to the private sector as a
percent of GDP, which shows the quantity of investment from the banking sector. In
this study foreign remittance and economic growth are long run, forcing variables and
banking sector is controlled variable. The study revealed that foreign remittances are
imperative for economic growth and banking sector development.
42
In addition, similar to the academic literature, empirical literature is as well
very contested. In the observed literature there are unusual and contradicting results
about the impacts of foreign remittances on growth coming out of the studies. This
makes it hard for the researcher to draw any results on the basis for how foreign
remittances impact on the economic development of beneficiary countries.
2.3.2 Foreign Remittances versus Distribution of Income (Cross Section and
Survey Based Analysis)
A vast variety of empirical research studies on the topic of foreign remittances
and distribution of income have been conducted in the developing world, this link
study, investigate the mentioned nationwide and worldwide studies to observe their
capacity and deficiencies for achieving their main objectives. “The empirical literature
has shown that the foreign remittances have mixed impact on the distribution of
income in the home country”. (Rapoport and Docquier, 2005).
Stark et al. (1986) analyzed household data studied the effect of foreign
remittances on the distribution of income in two rural Mexican villages with different
migration histories. One village had a long migration background, and the other village
had a short one. They established that the impact of foreign remittances on disparity
related to migration history and the extent to which opportunities to traveler were
circulated among households in the society. The results were contrasted. Remittances
were found to reduce inequality in the villages that had a long history of migration to
the United States and hence a more ready access to United States labour markets. Only
the richest households in the area can meet the expenses of the high migration costs
43
and risks due to lack of information on the initial stages of migration. Due to this fact,
inter-household inequality has been raised.
Based on these facts, the authors concluded that the effects of foreign
remittances on the distribution of income depended on how migration eased the
information flowed and how the contacts were disseminated within the area.
According to the authors, this would invalidate any harmful effect on the distribution
of income in the early stages of migration. On the other hand, remittances increased
inequality in the village that had only a few households that had experienced migration
to the United States. Meanwhile, the study by Stark and Taylor (1991) further argued
that the propensity of households to participate in international migration from Mexico
to the United States was directly related to the households’ initial relative deprivation.
This disguised that comparatively poor households were more likely to connect in
worldwide migration than were households more satisfactorily located in their
village’s distribution of income.
Djajic (1986) also extended the hard works and efforts of Rivera Batiz (1982)
to see the impact of foreign remittances on the welfare for the left-behinds in a country
producing evenly traded and non-traded commodities. In theory the studies showed
that if in any economy the flow of foreign remittances go above a specific major
amount. The households which left-behinds are benefied by movement of the head of
the household still if they do not carry out and believe some of the foreign
remittances themselves. Moreover, the consequences of this study were against the
results of the studyof Rivera Batiz (1982) model. Non-migrant interests were not
considered in their model. The instigator, accomplished that his findings are suitable,
44
but if the migrant’s family do not transfer earnings to their families. Additionally, he
also accomplished that its significance is there while foreign remittances are
mentioned as the level of expenditure and consumption of migrants. In abroad what
they saved they consumped when they have returned back in the source nation.
Aaccordingly, the decision cannot be overlooked as the migration improves the
welfare of the household left-behinds
Irfan (1986) stressed that when an economy develops, there is the shifting of
dynamic resources from one area to the other area. He further stressed that where
sufficient opportunities are existing usually factors move in those directions. This
proves to be an equilibrating and growth promoting method leading to decline in return
differentials, unbiased distribution and removal of surpluses and shortages. The
researcher added that the migration may entail a worsening impact on the distribution
of income and have un-equilibrating influences on the economy as the accumulated
evidence witnessed in 1960’s and 1970s. Along with numerous impacts of migration
and foreign remittances in the country, the author considered only some of the
interrelationships among migration and development, focusing particularly on labor
coming from the rural areas of Pakistan. He concluded that there is a positive impact
of large scale migration on the economy. For Pakistan some limited facts suggested
that removal of young skilled workers may negative influence on the productivity level
in agriculture, industrial and other sectors. In the same way, low rate of profits on
investment has been observed in the rural areas which promote a cumulative impact on
worsening the distribution of income. The rural area of Pakistan was only covered in
45
this study. Migration entails distribution and redistribution modification. As a result, it
desires careful treatment.
Rivera-Batiz (1986) extended the work of Djajic (1986) and Kirwan and
Holden (1986) and developed his own model by comparing the results. The author
stressed upon that how the emigration impacts on the home country when a part of
foreign remittances is invested. He considered the wellbeing aspects, impact on the
distribution of income and household prices. He drew some common findings by
developing a complete model of twenty five equations. He found that due to migration,
the domestic prices of goods had increased and foreign remittances also strengthen this
impact. This also turned the distribution of income in support of labor and against
capital. In addition, foreign remittances offer a net increase to migrants and their
families, but their actual impact is diminished by the increase of the prices of domestic
goods. He concluded that the actual impact on the non-migrants welfare is positive,
because of speeding up of domestic trade and raise in the relative prices of non-traded
goods, which redistributes the actual income from migrants to non-migrants.
Amjad (1989) presented a complete account of the main conclusions of the
cross country studies. A series of investigative studies organized by the International
Labour Organization in the mid-eighties examined the economic impact of overseas
migration of labor-sending Asian countries. As far as testing the relationship between
income inequality and international remittances was concerned, however, these studies
were mainly descriptive, since they did not use regression equations or decomposition
analyses to test the said relationship. The study on South Korea, for instance, merely
reported a highly positive correlation between migration and the income disparity of
46
urban households: The Gini ratio in the 1970s, when migration prevailed was higher
than in the 1960s, implying a worsening of income distribution (Hyun 1989).
However, mere correlation does not necessarily mean that migration cannot improve
income distribution at all or will automatically aggravate it, since overseas
employment does allow some of those in the lower-income brackets to earn more than
otherwise possible.
Mahmud (1989) used survey data and suggested that the income-distributional
consequences of migration and remittances depended on the relative income classes
from which migrants’ families originally came. In Bangladesh and Thailand, migrants
were found to have come from a more affluent background, since those from the
poorer classes could not afford the initial costs of migration. This implies that
migration benefits the higher-income classes and only serves to extend the income gap
between them and the lower-income classes. In contrast, most of Sri Lankan migrants
came from the lower-income and low-skilled groups, and this was seen to have
moderated income disparities in Sri Lanka.
Russell (1990) in his study concluded that foreign remittances have a
significant and positive effect for their recipient countries. These countries improve the
stability of expenditures and ease overseas trade constraints; they sanction imports of
investment goods and assets for industrial expansion; they are many possible sources
of savings and investment capital for development; they help to cushion the effects of
external fluctuations and shocks in the country (e.g. Oil price changes or increases);
Moreover, they are a addition to the resources; they increase the income and raise the
47
recipient's instant standard of living; and they enhance and improve the income
distribution in the area (while poorer and less experienced workers migrate).
Adams (1991) investigated in Rural Egypt, the effects of foreign remittances
for the decrease of poor quality of th households and the allocation of income. He
observed that when household’s incomes included foreign remittances and that
remittance income accounted for 14.7% of total income of poor segments. He also
concluded that due to the inclusion of remittances that the number of poor households
declined by 9.8 percent. The author conducted a different study, focusing on the
effects of foreign remittances on the distribution of income, poverty and development
in rural Egypt. His study used to predict income equations to estimate the changes that
would take place among two contrasting situations: excluding foreign remittances,
where the remittances of the correspondents with a still-abroad migrant were excluded,
and including foreign remittances, where the remittances of these still-abroad migrants
were included. The study found that while international remittances helped alleviate
poverty, they nevertheless had a negative, worsening effect on income distribution.
Ahlburg (1991) attempted to properly measure the impact of foreign
remittances on the distribution of income in the South Pacific. He concluded that the
poorest households received six percent non remittances income and eighteen percent
of remittance income. While the richest household received forty three percent of non-
remittance income and twenty nine percent of remittance income and concluded that
remittances improve income distribution. The study found that remittances more
unequally distributed than any other sources. The author critically analyzed and
explained that the primary use of foreign remittances is consumed with the rest are for
48
the construction of houses, financing of potential migration and for debt repayments.
According to his point of view, remittances have been raising the consumption level
exclusive of creating a firm source within the home economy. Although remittances
could enhance investment, insurance provided by remote migrants tends to permit
households to keep in risk investment activities for generating income.
Adams and Alderman (1992, 1995) in their studies in rural Pakistan provided a
good foundation in the decomposition analysis of the sources of income inequality.
The decomposition analyses of these studies determined exactly what sources of
income contributed to the total income inequality, as well as how much these income
sources actually contributed to the observed inequality. The main objective of these
two studies was only to analyze the determinants of rural poverty in Pakistan and not
to focus on and assess the impact of foreign remittances on the distribution of income,
as evident in both the data set and the methodology used. The study by Adams and
Alderman, for instance, used a 1986 - 1989 survey which, as the authors noted, “Was
not designed to be representative of the rural population as a whole in Pakistan”
(1992). Furthermore, in the decomposition of the Gini coefficient, all transfers
international remittances, domestic or internal remittances, pensions, and payments of
the government to the poor were lumped together as one source of income. On the
basis of these studies, it can be concluded that the effect of foreign remittances on the
distribution of income was thus not isolated.
Taylor (1992) utilized technique for the estimation of direct, indirect and inter-
temporal special effects of foreign remittances on the income distribution and
confirmed that remittances did not have indirect short-run and long run asset buildup
49
impacts on the level and distribution of household-farm income. Foreign remittances
may finance the accumulation of income generating assets on household forms in the
long run.
Adam (1998) used panel data for five years and found that remittances are
primarily used for consumption. Data for the analysis, the study was composed of a
sequence of fourteen interviews with four hundred and sixty nine households more
than five years (1986-87 to 1990-91) for rural Pakistan. Data was collected of different
variables like income, expenditure, employment, education, migration and household
possessions. . He concluded “although poverty may well have been reduced by the
process of emigration and remittances, the poorest appears to have been bypassed, at
least directly”. Along with the sample of rural families, the richest twenty percent of
households took almost fourteen percent of their income from foreign remittances
whereas; they were sources of only one per cent of income for the poorest twenty
percent of their families. Results showed that external and internal foreign remittances
add a little in the total household income and findings of others study also supported
these observations. To see the effects of remittances on the asset accumulation, he
considered four types of rural assets. These were all physical assets: irrigated land
owned, ruined land owned, livestock assets and non-firm assets.
He established that in spite of high cost of irrigated land in Punjab province,
foreign remittances can and do direct to rural asset accumulation. Since internal
migrants in this sample received not as much of remittance income than external
migrants, they lack the resources to buy more of this asset. However the households
50
receiving foreign remittances had both the resources and the incentive to invest in
irrigated land. Overall the study concluded that;
1- Most households did not own physical assets in any year, i.e. people were
Impatient to forgo current consumption for the sake of expected asset
accumulation.
2- The availability of remittances helped to increase investment in rural areas by
raising the marginal propensity to invest from migrant households.
3- External remittances had much more positive and significant impact those
internal remittances on the accumulation of physical assets in rural Pakistan.
The author concluded that remittances have a positive effect on the accumulation of
rural assets like irrigated land owned, rained land owned, livestock assets and non-
formal assets.
Barham and Boucher, (1998) found in their study that when foreign
remittances were integrated in household income, the Gini coefficient rose by between
12 and 15 percent. The study concluded that this is due to higher costs since global
migration tends to be costly. Therefore, global migrants tend to come from middle- to
upper-income groups.
Ravanila (2003) determined that foreign remittances from overseas Filipino
workers worsened income inequality by using decomposition equations, the
researcher, and separated total inequality into its four components, namely wages,
entrepreneurial incomes, other income, and remittances from migrants. The
decomposition exercise revealed that the role of foreign remittances to overall income
51
inequality depended on their contribution to total income, their distribution among the
population, and their correlation with total income. Foreign remittances were found to
accumulate mostly to higher income classes, but they were found to be slowly
becoming less inequality increasing over time. Consequently, policies that would
intend to reduce income inequality should consider making migration-facilitating
factors more available to those in the lower ends of the distribution, because
remittances would only tend to contribute less to less to income disparity if the lower-
income classes were also able to migrate.
Rozelle and Brauw, (2004) in their article attempted to observe how
involvement in migration affects household’s investment in rural china. For this
purpose they saw the investment pattern across the break and among households that
took part in the migration and those did not. They developed a heuristic model to
describe that how a household decision to send out migrants could make possible to
involve in investment. They examined the conditions that lead to increase in household
products or consumptive investment. Data was collected in a randomly selected from
sixty villages and from six provinces of rural China.
They concluded that migrants and return migrant households have had higher
investment level than non-migrant households. However, rural households prefer to
invest more in consumption goods rather than creative ones. In deprived areas, they
found no relationship between investment and migration, while migration has a
stronger effect on consumptive assets in non-deprived villages. They provide evidence
that migrant households invest more in housing and consumer durables, especially in
non-well off places. They suggested that the financial system of china should be more
52
developed, so that the credit could be easily accessible, that would increase the
efficiency in rural economies.
McKenzie and Rapoport, (2004) used two survey data sets from Mexico argued
that the outcomes of immigration and foreign remittances on the distribution of income
cannot be clearly determined, because they depend upon the primary income
distribution and on the location of prospective migrants in that allocation. They also
stated “the first migrants will be those located on higher steps of the income
distribution, because they have both the means and the incentives to migrate”. They
used inverted U-shaped effect in their model which first time described by Stark,
Taylor and Yitzhaki, (1986). According to them “migration channels are formed after
the settlement of migrant networks in the foreign country, this will tend to lower
migration costs, making migration affordable for lower-income households”. The
observed proof of their theoretical model provided for Mexico supports.
Lucas (2005) argued in his study that foreign remittances increase the income
of households which can directly effect on the distribution of income and poverty
level, which as a result smoothens the consumption of poor and reduce the poverty
level. According to their study foreign remittances also helped to beat the working
capital constraints by depriving households, this means facilitating the recipients for
investment in human and physical capital.
The results of their study showed that foreign remittances perhaps contributed
in an important way to poverty reduction method because a lot of migrants were
comparatively poor, possessing modest or no education and belonging tremendously
from rural backgrounds. Their findings were to some degree dependable upon the
53
findings of the study by Jafarey and Ilahi, (1999) thus demonstrated that the payback
of foreign remittances for economy of Pakistan has been disseminating away from the
direct family members.
Taylor et al (2005) used available data of National Household Survey, from the
the Mexico economy to see the impacts on rural inequality and poverty by using the
foreign remittances. Their results were different then prvious studies that their impacts
are not equalizing or not as much of unequalzing, as the frequency of immigration
increases. But some of the results were very supportive and matched with the results of
few more available studies.
Rapoport and Shen, (2006) For foreign remittances impact they used a
energetic immigration model to consider the relationship with income distribution.
Their findings advocate that assets discrimination is exposed to be monotonically
condensed with the long the past history of movement. Special results of in different
period have short and long run impact with contradictory signs signifying vibrant
affiliation between foreign remittances for the distribution of income and may be
comprise on an inverted U- shaped pattern of inequity. Some other researchers
including Lermann and Feldman, (1998) accomplished that foreign remittance income
sharing additional to Gini- Coefficient than it’s add to in total income shows and it
increase disparity by using the Gini-Coefficient decomposition method in the area.
Yang and Martinez (2006) In the Philippines they also studied the impacts of
foreign remittances related with the distribution of income and poverty measurement.
Linked household surveys were used for the sample of available 26,121 households.
During the Asian crises, they demoralized a special experiment related with exchange
54
rate shocks in the economy. They got an instrument for the isolation of net effect of
foreign remittances on the resulting variables. Their study concluded there is no
statistically significant impact on the said variables.
Esquivel and Huerta-Pineda, (2006) in their research study, utilized the
Propensity Score Matching Method to consider the impact of foreign remittances on
the distribution of income and poverty reduction among the households of the Mexican
economy. The authors conclude that the households receiving foreign remittances
reduce possibility of being in food-based and in capabilities-based poverty in 8 percent
points, 6 percent points, respectively.
If the foreign remittance senders look like the Mexican population, this effect is
alike to a decrease of about 50 and 30 percent in equivalent poverty rates for foreign
remittance receiving households’ vis-à-vis non remittances receiving households. On
the other hand, receiving foreign remittances does not appear to affect the possibility
of being in asset-based poverty and foreign remittances help to shrink the level and
strength of poverty up to definite level.
Brown and Councell, (2006) claimed remittances improve income distribution.
They first estimated and compared the effects of remittances on income distribution
(Gini coefficient) in Fiji and Tonga by using household survey data. They found that
remittances improve income distribution from 0.43 to 0.38 in Tonga. International
remittances in Mexico have an egalitarian effect on income distribution they also
calculated Gini ratios Stark and Taylor, (1986). In India, foreign remittances aggravate
rural inequality because these are earned mostly by upper-income cluster villagers
(Lipton, 1980).
55
Acosta et. al. (2007) in the Latin America and Caribbean, they conducted a
cross country analysis and explored that foreign remittance are contributing to
inequality and poverty. Their study used a different econometric techniques which
allowed them to estimate the separate effects of foreign remittances on two
determinants of poverty. The determinants were the average income growth and the
degree of inequality. Their findings suggested that foreign remittances exert a positive
and significant effect on income growth and cause a slight reduction in inequality.
Adams (2008) used the counterfactual approach for imputing incomes in
Ghana, and found that when foreign remittances were added in household income,
the Gini coefficient increased approximately 3 percent: from 0.40 to 0.41.
Wouterse (2009) analyzed data from four villages to compare the effects of
foreign remittances from intercontinental and intra-African migrants on inequality,
poverty and social welfare and found that intra-African remittances reduce inequality
while intercontinental remittances have the opposite effect.
Moghal and Diawara, (2010) they studied the impact of foreign remittances on
both the distribution of income and poverty in Pakistan. They studied the differential
impacts of domestic and external foreign remittances on these variables. Additionally
to the sources of foreign remittances in term of the region such as the Middle East and
North America are also examined. The conclusions of their research study
recommended that the foreign remittances reduce poverty plus discrimination both at
micro and macro level. In terms of regional origin, remittances from the Middle East
are negatively related to poverty and inequality. According to their analysis, household
56
savings emerged to be the major channel through which the foreign remittances
control poverty in Pakistan.
Mughal and Anwar, (2012) explored micro and the macro impact of
remittances on poverty, inequality and growth for Pakistan economy. They used
income data of Household Integrated Economic survey data for the years 2005-06 and
2007-08. They explore the impact on the poverty and inequality by using the Variable
General Method of Moments (IV GMM) technique.They calculated poverty head
count ratios and found that foreign remittances substantially lower the poverty
headcount, as well as the depth and severity of poverty. They did not find significant
impact of remittances on inequality in macro analysis but found beneficial by using
micro data. They also found that contribution of foreign remittances to poverty
alleviation and inequality reduction is much stronger than of internal remittances. They
used time series analysis for the period 1979-2007 and suggested that among the three
main remittances-sending regions remittances from North America have the strongest
equalizing effect in Pakistan. They suggested that Pakistan maximizes the benefits of
remittances by giving importance to its human capital development, by improving the
access and quality of banking services.
2.4 CONCLUSION
The rationale of this chapter is to review a number of issues related to foreign
remittances, economic growth and the distribution of income. This yields a theoretical
foundation for the research and helps us to find out the nature and scope of the work.
Generally, research studies enclose the theoretical and methodological aspect of the
field. Few research studies are related to cross countries investigations. The broad
57
rationale of the review of the literature is to help us to develop a hypothetical
understanding and approaching towards the previous works and the trends that have
developed. The purpose of review of literature is also to find the gap and flaws in the
existing literature or previous research works, Moreover, it highlights the contribution
of this research work to bridge the gap. Further, it emphasizes the importance of this
research work in the context of the economy of Pakistan.
Mostly, reviewed literature on foreign remittances consists on motivation to
remit and uses of remittances. The only drawback here is the unconvincing literature
on the economic growth and income distribution effects of foreign remittances in
developing countries which make it difficult to answer the research question. This
occurs as a consequence of the conflicting theoretical and empirical literature on how
remittances impact economic growth and the distribution of income of recipient
nations. Such contradictory findings may be due to use of different data sets, due to
use of different bases in the analysis measure of equality, income, consumption or
expenditure, due to differences in the community, due to difference in areas i.e. urban
rural overall country. Some study basses on deciles data and some on quintile data.
Even the available empirical evidence is highly conflicted, some studies
conclude on positive growth effects of remittances Straubhaar (1985), Swamy (1981)
and Iqbal and Sattar, (2005) (Fayissa and Nsiah, 2010a, Fayissa &Nsiah, 2010b,
Pradhan et al., 2008), These studies also conclude that foreign remittances may have a
positive impact on economy by improving its growth rate, income distribution and
reduced dependence on external borrowing. Remittances through their multiplier
58
effects may influence the main macro-economic variables such as investment,
consumption, imports and so the economic growth (Nishat and Bilgram, 1991).Some
studies mention the negative effects of foreign remittances on economic growth.
(Singh et al., 2010, Chamiet al., 2003) while some maintain that foreign remittances
have no impact on economic growth (Barajas et al., 2009, Rao and Hassan, 2011).
For impact of foreign remittances on economic growth, mostly the studies use
time series data. The majority of the authors of the impact of economic growth
analysis in their research studies anticipate the magnitudes by simple arithmetic’s of
percentages and ratios with the exemption of Burney (1987) and Zafar and Iqbal
(2005) where separate regressions have been estimated. OLS regression
underestimates the coefficients and leads to prejudiced results due to spurious
regression. Previous literature shows that none of the study has established long run
relationship among the economic variable by using time series data for the relationship
between foreign remittances and economic growth analysis.
There are also contradictory views about the effect of foreign remittances on
the distribution of income in the literature Adams (1989) uses a sample of rural
communities in Egypt and originates that remittances worsens income distribution in
the home area. On the other hand, by using a similar approach in rural Pakistan,
Adams (1992) establishes that there is no considerable effect of foreign remittances on
income inequality. Alternatively Barham and Boucher (1998) use a sample of three
coastal communities in Nicaragua and find the foreign remittances have an inequality-
reducing effect. Adam and Page (2005), Jongawanich (2007) evidence that foreign
59
remittances reduce the level and strength of poverty. According to Taylor (1992) and
Faini (2002) “remittances, admittedly, can positively affect the growth through a
number of channels”. According to Taylor and Wyatt (1996) rather than the direct
effect of foreign remittances on the distribution of income, remittances also settle
down the credit constraints with liquidity limitations for the people. Adam and Page,
(2005), Jongawanich (2007) evidence that foreign remittances reduce the level and
strength of poverty.
In a nutshell, there is a need for further empirical research on this subject. This
research work is different from all above mentioned studies in the following respects.
1. This research study may be considered as a first study that addresses the impact
of foreign remittances on economic growth by using time series data of 40
years i.e. 1972-73 to 2012-13. Hence, this study is carried out by analyzing the
foreign remittances and economic growth relationship over a much longer
period of time (forty years from 1972-73 to 2012-13). This requires co-
integration analysis to evaluate the existence of the long run relationship
among the variables.
2. As the present study utilizes large time series data having usually high R2 lead
in spurious regression. This study would cover the deficiencies of preceding
studies by utilizing an advance and accurate method of assessment. None of the
researcher in the previous studies has used this technique. Additionally, the
results of this study would facilitate the policy makers to accomplish some
60
suitable policy recommendation to the government of Pakistan for accelerating
economic growth.
3. Adam (1998) explores per-post remittances era for some selected rural areas in
Pakistan but he uses primary data. On the other hand, this study compares the
distribution of income with and without foreign remittances era for a relatively
huge data. Moreover, this study uses Reynolds and Smolensky (1977), model
to calculate pre-post Gini ratios and to construct Lorenz curves for the three
selected years. There is almost no study in this area which have used this
methodology and compared the trends in the distribution by using three HIES
data sets in Pakistan.
4. While there has been much research work on the issue of poverty in Pakistan,
however, the studies related to economic growth and the distribution of income
are limited. Moreover, foreign remittances are increasing rapidly in the recent
years in Pakistan ultimately affect many economic variables including
economic growth and distribution of income. According to facts and figures,
the remittances contribute 4 to 5 percent of GDP and thus significantly
influence the economy of Pakistan. On the other side, the income inequality
has increased severely in the last 10 to 13 years in Pakistan and will have an
upward trend. The gap between the low and high income classes has been
increasing and reaching to the alarming situation in Pakistan. So this
dissertation also suggests making changes in the pattern of remittances to curb
ever increasing inequality trends in Pakistan.
5. Many studies have been conducted to calculate income and expenditure Gini
61
by using HIES data. However, no study calculates pre-post remittances
analysis for urban – rural and overall Pakistan by comparing trends in three
HIES data.
6. The current dissertation also contributes to the existing empirical literature by
taking the case of Pakistan to investigate the impact of foreign remittances on
economic growth and distribution of income distribution.
Lastly, the results of this study would facilitate the policy makers to
accomplish some feasible policy recommendation to the government of Pakistan for
accelerating economic growth and improving the distribution of income. Having
looked at both the theoretical and empirical literature on economic growth and income
distributional effects of foreign remittances, the next chapter 3, provides the
methodological issues of this dissertation.
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Chapter 3
MATERIALS AND METHODS
3.1 INTRODUCTION
This chapter outlines the economic model and methodology and all other
relevant information pertaining to how the present dissertation is planned and
conducted. It gives some background information on the research design and model
specified in the study. It provides the methodological framework that makes it possible
to answer the research question of the impact of foreign remittances on economic
growth and the distribution of income in Pakistan. This research study accomplishes in
two phases and thereby establishes the separate relationships for foreign remittances,
firstly, with economic growth and then income distribution. In section 3.2, the first
phase examines the short run and the long run impact of foreign remittances on
economic growth in Pakistan and uses annual data for the period 1972-73 to 2012-13.
The second phase, section 3.3 explains the study of the impact of foreign remittances
on the distribution of income among the households in Pakistan and in urban-rural
areas by using three latest Household Integrated Economic Surveys (HIESs) for the
years, 2001-02, 2005-06 and 2010-11.
3.2 ANALYTICAL APPROACH AND DATA SET FOR FOREIGN
REMITTANCES AND GROWTH.
This section analyzes the association of foreign remittances with economic
growth on the basis of time series data ranging from 1972-73 to 2012-13. This part of
63
the study is an effort to examine the long run and short run relationships among
foreign remittances, economic growth, private investment, private consumption and
imports. This part of the chapter develops the understanding of economics and
economic methodology. This methodology is employed due to certain reasons. To
find the short run as well as long run relationship. Empirical investigation related to
this methodology will be given in the first step, of the next chapter 4.
First part of the section dealing with the justification and implication of
variables, second section argues the analytical framework comprising Augmented
Dicky Fuller (ADF) Unit Root tests, co-integration methodology by Johansen and
Juselius (1990) and error correction mechanism. Data description and their sources are
reported in the last section. This research study these uses variables for the analysis:
(1) Foreign Remittances (FR), (2) Gross National Product (GNP) as a proxy of GDP
(3) Private Consumption (CONs) (4) Private Investment (INV) (5) Imports (IMP).
3.2.1 Justification and Implication of Variables
This study mainly designed in step 1, to examine the impact of foreign
remittances on GNP growth over time. However, it is customary to examine the
behavior of the different ingredients of GNP as well. Figure: 1 shows the relationship
among the main macroeconomic variables. In the following discussion, the
justification of variables used in the time series analysis beside given GNP.
3.2.1.1 Consumption (CONs)
Consumption is generally the largest GNP component. The economic
performance of any country is mainly judged in terms of consumption level. In
64
Figure: 1 Relationship between Variables
65
macroeconomic perspective the consumption is the function of income. The
enhancement in income will be followed by an increase in consumption. It means a
positive feedback loop is triggered among consumption and income. While specifying
the consumption and foreign remittances in this methodology are being used as an
explanatory variable. It is assumed that the consumption is positively related to GNP.
3.2.1.2 Investment (INV)
Private Investments are referred to as the engine of economic growth. The
strong relationship between investment and growth in GNP has been well recognized
empirically which indicates that higher rate of investments-savings lead to
enhancement in economic activities. Here, investment is a function of GNP. It is
assumed that investment is positively related to GNP. It means that the higher the
investment, higher will be GNP in accounting.
3.2.1.3 Imports (IMP)
The import function in this methodology is described in a way that import is a
function of GNP. It is assumed that the imports are negatively related to GNP.
3.2.2 Analytical Framework
This part of the chapter develops the understanding related to econometric
tools and econometric methodology. This methodology is employed due to certain
reasons. To find the short run as well as the long run relationship among the variables.
Empirical investigation related to this methodology is given in the next chapter 4.
When time series data is used for analysis in econometric, several statistical steps are
needed to be undertaken. First of all, the unit root test is applied to each series
individually in order to determine information about the data being stationary.
66
Stationary data contain no unit root. The existence of unit root makes hypothesis
testing results unpredictable. Augmented Dickey Fuller (ADF) test is applied to infer
the order of integration. ADF test is necessitated as the variables having the same order
of integration, may be Co integrated. In this study of growth and foreign remittances
analysis, “Johansen Co-integration Technique” is implied to study the long run
connection among the variables. Further, to check the short-run dynamic relationship
of the variables Error Correction Mechanism (VECM) is applied. Before testing for
co- integration, it is necessary to examine whether the time series is stationary or non-
stationary through the ADF test.
3.2.2.1 Unit root test
Unit root test explains the order of integration of the variables. There are two
types of unit root tests. One is Augmented Dickey-Fuller (ADF) test and another is the
Phillips- Perron test. This research study uses Augmented Dickey-Fuller (ADF) test.
3.2.2.2 Augmented Dickey-Fuller (ADF) test
This test is presented by Dickey and Fuller (1984).In this test they extended the
test procedure of the Augmented by including extra lagged terms of dependent
variables to eliminate the problem of auto-correlation.
Consider a simple AR (1) process:
Yt = ao + a1t + φYt-1 + ut (3.2.1)
Where, ao anda1t are exogenous regressor (a constant and trend). φ is a
parameter to be estimated, and the ut is assumed to be white noise. If | φ| = 1, Yt is a
67
non-stationary series and the variance of Yt increases with time and approaches
infinity. If | φ| <1, Yt is a stationary series.
ADF first is tested for a unit root in the levels of the series Yt. If the hypothesis
of the presence of a unit root is not rejected, we test the first difference for the
presence of a second unit root and so on. This testing procedure from lower to higher
orders of integration continues until the null hypothesis of a unit root is rejected.
3.2.2.3 Co-integration analysis
The Long run relationship between the variables can be explained by the co-
integration analysis. The Co- integration test shows that either there exist is a long run
relationship or not between the variables. To test for Co- integration, there are three
approaches. The first idea of Co- integration was presented by Granger in 1981. After
that Engle and Granger (1987) extended the idea, but there was a limitation in Engle
and Granger (1987) residual based on the Co-integration approach. It fails to
differentiate between dependent and independent variables and give single long run
equilibrium link. Thus, this method becomes inappropriate and only suitable for two
variables. To overcome this issue Johanson & Juselius (JJ) (1990) and further
Johanson (1995) introduced famous technique of Co-integration. This technique
differentiates between dependent and explanatory variables. It is also called multiple
equation approach because it offers more than one Co-integrates vectors when model
consist of more than one variable. The restriction of this technique is that it can only
apply when all the variables have the same order of integration. To resolve the
problem of different orders of integration there is another technique like auto
Regressive Distributed Lag (ARDL) model.
68
3.2.2.4 Johansen Co-integration technique (Long Run Relationship)
When all the variables have the same order of integration, then we can proceed
for the Johanson Co- integration approach. In time series data, when the series is non-
stationary, then the maximum likelihood method is used to check, if there is any Co-
integrating vector Johanson & Juseliusco integration test is done on Vector
autoregressive (VAR).
In this study Johansen Co- integration is being used. Unlike the Engle Granger
static procedure, the Johansen VAR based procedure allows the simultaneous
evaluation of multiple relationships and imposes no prior restriction on the co-
integration space. To inference about the Co-integration, relation between variables,
two statistics are critical to use. One is trace statistics and other is a maximum Eigen
value.
The Johansen’s FIML approach for multivariate co-integration is based on the
following Vector Auto Regression (VAR) model of order P.
Yt = A1Yt-1 + … + ApYt-p + Bxt + µt (3.2.2)
Where Yt is an (n x 1) vector of endogenous I (1) variables (GNP, CONs, IMP,
INV and FR), Ai are an (n x n) matrix of parameters, xt is a d-vector of deterministic
variables, µt (n x n) is a vector of innovations.
To inference about the co-integration, relation between variables, two statistics are
critical to use. One is trace statistics and other maximum Eigen Value.
The Long Run Coefficients of the Model.
The long run coefficients of the variables can be estimated by 2SLS.
69
3.2.2.5 Error Correction Model (ECM)
The error correction mechanism integrates the short run dynamics with the long
run equilibrium without losing long run information. This term grasps the short run
relationship. Whenever variables are non-stationary and co-integrated, then we use the
VECM. This is equivalent to VAR at the 1st difference.
Association between Yt and Xt with an error correction specification as;
ΔYt = β1ΔXt - πēt-1 +µt (3.2.3)
β1 will have the short run effect, that measure the immediate impact that a change in Xt
will have to change with Yt.
The short run coefficients of ECM.
The next step is to estimate the short run coefficient of the model. The ECM
coefficient should be negative and statistically significant. The coefficients of ECM
show the speed of adjustment towards long run equilibrium in the current year from
the disequilibrium of the previous year. ECM can determine short run parameters as
follows.
ΔLN(GNP) =β1 ΔLN(CONs) +β2 ΔLN(INV)+β3 ΔLN(IMP)+ β4 ΔLN(FR)– φECM(-1)+ (3.2.4)
Where is the difference operator and ECM (-1) is an error correction term. The
expected signs of the parameters , should be negative, which measure the speed of
adjustment towards long run equilibrium.
3.2.2.6 Stability test
The existence of co-integration is proving the reliability of regression
coefficients. If the parameters are unstable then co--integration estimation are not
70
reliable. CUSUM and CUSNMS, O test is introduced by Brownetal (1975) to avert the
problem of unstable coefficients. The diagnostic test is taken to confirm the goodness
of fit of the model. In this respect, there are various test are like as ARCH, LM test of
Hetroscdasticity, Lagrange Multiplier test of residual Serial Correlation and Ramsey’s
Reset test of error specification. Furthermore the normality test is checked by
skewness. Knotosis test CUMUM and CUMUM are applied for the stability of the
parameters which indicates that the model is correctly specified or not.
3.2.3 Data Description and Source
It is a fact that researchers face usually with the problem of inadequate and
non-consistent data. Precise and enough data set is important for advanced empirical
research. Generally, in developing countries and mostly in Pakistan, one would
confront serious deficiencies in the quality of economic data. With the passage of time
data collection has got importance and it is expected that its quality would improve.
This part of the research study is mainly relying on time series data 1972-73 up to
2012-13.
The study is based on secondary source of data Gross Domestic Product
(GNP), Private Consumption (CONs), Imports (IMP), Private Investment (INV) and
Foreign Remittances (FR) are taken from various issues of “Pakistan Economic
Survey” and annual reports of the State Bank of Pakistan (SBP). The Gross National
Product (GNP) deflator with 2005-2006 as base year has been computed by taking the
ratio of Gross National Product (GNP) at current prices and Gross National Product
(GNP) at constant prices. All the data carry the same base year, i.e. 2005-2006.
71
3.3 ANALYTICAL APPROACH AND DATA SET FOR DISTRIBUTION OF
INCOME VERSUS FOREIGN REMITTANCES.
Foreign remittances contribute towards increasing the income of households
which have a direct implication on the welfare of households and distribution of
income. It is therefore proposed to carry out a statistical study on the dynamic impact
of foreign remittances on the income of households and on the distribution of income
(Gini coefficient) by using HIESs in the years i.e. 2001-02, 2005-06 and 2010-11. This
section of the thesis explains analytical tools and informs about the methodology of the
second step that can be applied.
This study comes under the technical type of distribution of income studies. This
research work explores the distributive effects of foreign remittances on the size of
distribution in Pakistan and its urban-rural areas. The study makes use of information
contained in the three HIES surveys conducted by the Federal Bureau of Statistics of
Pakistan (FBSP). The HIES data provide data on household income and expenditures.
This study uses here household income as a unit of analysis for income distribution. In
addition, this research as said earlier, falls among the technical studies and uses a more
comprehensive definition of households’ pre-remittances income and then ads to
remittances and gives rise to post remittance incomes. The analysis of this research
work based on different related statistical facts and figures to see the impact of foreign
remittances on the income distribution in Pakistan.
Most the mentioned studies in the literature review in case of Pakistan explore
the distribution and redistribution effects of remittances by using only one year. This
study traces the changes in the trend and in the size distribution of income in the years
72
2001-02, 2005-06 and 2010-11. The problems can be raised that whether we take the
data at the individual or household level; whether it considered to income or
expenditures. It is better to only consider the data that are delegated at the national
level, based on income data and subjective to the individual level.
3.3.1 Income Distribution Indices (Measures)
Social scientists use the term income distribution metrics or income inequality
metrics to quantify the income distribution and economic disparity among the
participants of a particular economy. Different theories such as functional distribution
of income and size distribution of income attempt to make clear how income disparity
arises. It can be said that metrics of income inequality such as Gini index, Hoover
Index and Thiel Index provide a method to determine the spreading of incomes. (see
appendix A-1) for different theories of income distribution). For inequality four
properties should be satisfied as a measure of inequality (see appendix A-2).
3.3.2 Common Income Distribution Indices.
Different metrics are used to measure disparity in the income distribution,
wealth and expenditure distribution, etc. are the i) Thiel index, ii) Hoover index and
iii) Gini index iv) Palma ratio and v) 20:20 ratio. But the most common index is Gini
index or Gini coefficient. Gini index is very popular because it satisfies the four
properties of inequality, easy to understand and compute the Gini index as a ratio of
two areas in the Lorenz curve diagram. At the same time it has disadvantages, the Gini
index only a number of the properties of a diagram, but the diagram itself is not based
on any model of distribution (see appendix A-3 for common income inequality
metrics).
73
This dissertation in the second part of the study uses Gini coefficient for
measuring the distribution of income along income groups in the urban – rural areas in
Pakistan. There are different measures of inequality, but the main advantage of the
Gini coefficient is that it is a measure of inequality by means of a ratio analysis, rather
than a variable unrepresentative of most population, such as per capita income and
gross domestic product. As it satisfies four important principles, it does not matter who
the high and low earners are, it does not consider the size of the economy. However,
use of Gini ratios is not free from objections. The measure will give different results,
when it is applied to individuals instead of households when different population is not
measured with consistent definitions, comparison is not meaningful. As a result of
above criticism Gini coefficient entropy measures are frequently used.
3.3.3 Weighting System for Household, Income and Foreign Remittances
In Household Integrated and Economic Surveys (HIESs) of three selected
years, the distribution of the average yearly income of households by income groups
for all Pakistan and its urban-rural areas have been given. These distributions of
income by income group have been developed through questioner based household
income and expenditure survey. Household income is a materials return in cash or in
kind in exchange for goods and services, etc., by household earners other than
boarders, lodgers and servants. This study uses the household income as the income
base or the pre- remittances distribution in Pakistan and its urban- rural areas. This
study takes into account the average yearly income of ten household groups in each
period in overall Pakistan and its urban - rural areas. For these groups study calculates
the income Gini index have been calculated for the household groups excluding
74
foreign remittances or pre-remittances distribution of income. Similarly, this study
takes into account the average yearly income of ten household groups, those are
receiving foreign remittances in each period in overall Pakistan and its rural urban
areas. Then income of these household groups has been added to the income of those
ten income groups without remittances.
As the number of those households who are receiving foreign remittances are
very less as compared to those who are not receiving remittances, their average income
is more than that of the latter-without remittances households. For symmetrical
distribution a weighting system has been used, in which each income group is
multiplied by its average income. Similarly, the number of households along income
groups have been used as weights for average income along the different income
groups.
The data, which need weighting, are not weighted the resultant estimates
usually will be influenced. After assigning the different weights to income groups the
Gini index for household groups have been calculated for pre and post income
remittances income distributing for Pakistan and its urban-rural areas in all three
selected year for HIES data.
3.3.4 Model and Analytical Approach
To pursue the objectives, the study estimates the distribution of final income
using the percentage distribution of remittances for each period, but with new amounts
of pre- remittances incomes. To construct a post-remittances distribution of income in
any year the study use the model of Reynolds and Smolensky (1977)1 and Ilyas
(2004)2 with some modification.
75
As they constructed post-physical distribution of income, but this study uses
post- remittances distribution of income instead. Reynolds and Smolensky (1977) and
Lambert (1989) have not segregated their analysis in urban-rural areas. Thepthna
(1979) and Ilyas (2004) did their analysis by taking into account rural urban areas.
Ilyas has mentioned weight system to divide government expenditures and taxes in
urban- rural areas. This study carries out the analysis s for all Pakistan and its urban-
rural areas.
Our focus is income as a resource in this study. This study relies on household
income data for constructing our inequality indicators. The HIES data provides data on
household income and expenditure. The study use here household income for income
distribution analysis. To construct pre- remittances income along the income groups
the average income of households in each income group has been calculated by using
HIES data in three selected years. Post- remittance incomes for the income groups
have been constructed by adding remittances received by each income group to their
average incomes imputed to respective income groups.
The procedure is as follows:-
- Constructing an income base or pre-remittances distribution of
income.
- Adding remittances by income group for the pre-remittances
distribution of income. __________________________
1Reynolds, Morgan and Smolensky, Eugene. 1977: Public expenditure, Taxes and the
Distribution of income: The United States, 1950, 1961, 1970. New Academic Press,
Inc. 111 Fith Avenue, New Yourk 10003.
2Unpublished PhD Thesis (2004)
76
All procedure can be compactly given in matrix form as below.
Ry =yWh + rWy (3.3.1)
In expanded form,
Where
Ry = the post-remittances or final average income vector of the households, order
1 x k. An element, Ryi denotes the amount of income in income interval i,
i= 1,……., k.
y = the pre-remittances or initial average income of the households vector, order
1 x k.
r = a vector of remittances of order 1 x m.
Wy = A matrix of percentage average income used as a weight for remittances of
order
1 x m.
Wh= A matrix of percentage households used as a weight for average income of
order
1 x m.
(3.3.2)
77
3.3.5 Lorenz Curve and Gini- Coefficient Analyses
This study works out a Lorenz curve and Gini coefficient analyses by using
pre- and post- remittances distributions of incomes for Pakistan and also for its urban-
rural areas in the years 2001-02, 2005-06 and 2010-11. The following equation is
being used to calculate Gini coefficients of Pakistan and its urban-rural areas in three
selected years.
G = 1 – (hi+1 – hi) (yi + yi+1) (3.3.3)
Where,
G = Gini ratio
hi = Cumulative per unit, number of households in the ith income group
yi = Cumulative per unit share of income of ith income group.
The Lorenz curves are drawn by using a percentage cumulative distribution of
households in the pre and post-remittances era respectively. To see the impact of
remittances on the distribution of income, this research study plot both pre-remittances
and post –remittances income shares against number of households belonging to each
income group. Figure: 2 graphically presents Gini coefficient and Lorenz curve.
3.3.6 Pre-Post Remittances Lorenz Curves
Lorenz curve can be used as a criterion for ranking income distribution. But the
ranking provided by it is only partial. Because partial in the sense that when the
Lorenz curve of one distribution is strictly inside another distribution, it can be said
confidently that first distribution is more equal than the second one. If two Lorenz
curves intersect, neither distribution can be said to be more equal than another. But it
78
does not mean that partial ranking is a drawback of Lorenz curve. As Sen (1973)
criticized complete ranking by saying that “the concept of inequality has different facts
which may point in different directions and sometimes a total ranking cannot expect to
emerge”. The concept of inequality is therefore essentially a question of partial ranking
and, the Lorenz curve is consistent with such a notion of inequality. In the dissertation
pre-post remittances Lorenz curves are drawn on the basis of the three selected years
i.e. 2001-02, 2005-06 and 2010-11.
3.3.7 Gini Ratios by Ordinary Least Square (OLS) Method.
Gini Ratios also calculated in this study by Ordinary Least Square (OLS)
Method. The OLS method has also been applied for calculating the Gini ratios. The
slope coefficient β calculates by regressing the average income with and without
remittances on the number of households in all three selected year. The rationale of
this test is to show that, if structural relationships are altered, the Gini-ratios should
Differ considerably. For this purpose, the data are fitted to the following functional
form (See Reynolds and Smolensky, 1977).
(3.3.4)
Where
is the cumulative proportion of income
is the cumulative proportion of households
79
Source: Kakwani (1986)
Figure: 2 Graphical Representation of Gini Coefficient and Lorenz Curves
80
In case of β > 0 the Lorenz curve lies below the 45o line, and if β = 0 the curve
coincides with the income equality (45o) line, and if β = ∞ the curve lies along the x-
axis and y-axis under 45o line. The Gini ratios have been calculated by the given
expression.
3.3.8 Chow Breakpoint Test for Structural Stability
A formal statistical test called Chow test is used for knowing that two
distributions under examination are statistically significantly different from each other
or not. As an alternative for stability test that coefficient is stable or not different
(Chow, 1960). This test breaks the sample into two or more structures, estimates the
equation for each of them. The null hypothesis of Chow test asserts that there is no
significant difference between two distributions in question. This test is an F test, and
shows the equality of the regression coefficient, if fecal >Ftab, the hypothesis that β1 =
β2 = βis rejected and it is accomplished that there is proof of structural instability. The
study conducts Chow test for pre- post remittances distributions having same years in
Pakistan and in its urban-rural areas for testing equality of = β coefficients.
(3.3.5)
81
3.3.9 Data Description: Household Integrated and Economic Surveys (HIESs)
For the impact of foreign remittances on the distribution of income impact, the
study uses cross sectional data, this part of the research is mainly based on data on
three (HIESs) for the years 2001-02, 2005-06 and 2010-11. Table 1, 2, and 3 present
the sample size of three data sets and Table 4 presents households receiving the
foreign remittances. During the mentioned period (HIESs) was conducted by the
Federal Bureau (FBS) of Statistics previously it was conducted by the Central
Statistical Office. The Household, Income and Expenditure Surveys have been
conducted on a national basis in overall Pakistan and in its urban and rural areas. (See
appendix A- 4 for HIESs) In present study HIES data for three periods 2001-02, 2005-
06 and 2010-11 have been used to compare the changes in the trend and size
distribution of income and distributional impact of household income. Therefore, three
surveys with four year gap for the comparison of the distributional impact of foreign
remittances have been selected. The aim of HIES to provide data on household income
and expenditure ascertain the pattern and level of consumption, variation in
expenditure, household saving, investment and liabilities by different income groups
and by urban- rural areas. For this research study, primary data files have been
obtained from FBS then households and their income with and without remittances
were sorted at the urban-rural level of analysis.
This research work for distribution analysis falls among the technical studies. It
is data based and records observed facts through certain measurement procedures
explained in the subsequent chapters. These procedures are described in the main
sources of income and expenditure data, for example, Economic Survey, Population
82
Censuses and Household Integrated Survey (HIES). It shows a comprehensive
measure of income inequality by including the benefits and burden at all levels. In the
analysis of the distribution of income the student pursues the practice, more or less, of
a line of studies by Reynolds and Smolensky (1977) and Thepthana (1979) Lamert
(1989) and Ilyas (2004). The study uses the Gini coefficient, which is a measure of
income inequality, is directly linked with Lorenz curve.
3.4 STATISTICAL PACKAGES USED
This research work is based on many statistical techniques and packages for its
completion. Microsoft Excel, SPSS and E Views 6 have been utilized for its analysis. .
E Views has been used for Co-integration, analysis, statistical and econometric
significance tests. These are well known packages and need no explanation. SPSS has
been used for sorting out different distributions along the income groups from data of
Households Integrated Economic Survey and Excel has been used for computation and
Lorenz curve tests.
83
Table: 1 Sample size HIES, (2001-02)
Sample PSUs Sample SSUs
Urban Rural Total Urban Rural Total
Punjab 206 230 436 2432 3668 6100
Sind 128 136 264 1534 2174 3708
KPK 72 116 188 857 1842 2699
Baluchistan 52 88 140 623 1406 2029
Total 458 570 1028 5446 9090 14536
Source: Report of HIES (2001-02)
Table: 2 Sample size HIES, (2005-06)
Sample PSUs Sample SSUs
Urban Rural Total Urban Rural Total
Punjab 240 244 484 2790 3892 6662
Sind 140 132 272 1666 2107 3773
KPK 88 119 207 1049 1901 2950
Baluchistan 63 83 146 735 1313 2048
Total 531 578 1109 6240 9214 15453
Source: Report of HIES (2005-06)
84
Table: 3 Sample size HIES, (2010-11)
Sample PSUs Sample SSSUs
Urban Rural Total Urban Rural Total
Punjab 256 256 512 2935 4019 6954
Sind 152 144 296 1802 2296 4098
KPK 88 120 208 1041 1913 2954
Baluchistan 68 96 164 811 1524 2335
Total 564 616 1180 6589 9752 16341
Source: Report of HIES 2010-11
Table: 4 Households Receiving Foreign Remittances
HIES Data 2001-02 HIES Data 2005-06 HIES Data 2010-11
No of H.H
Total Urban Rural Total Urban Rural Total Urban Rural
14050 5348 8702 15450 6240 9210 16317 6574 9743
No of H.H
Receiving
Remittances
786 344 442 852 316 536 868 304 564
Percentage of
H.H Receiving
Remittances
5.6 6.4 5.0 5.5 5.0 5.8 5.3 4.6 5.8
Source: Calculated by Author from (HIESs) data
85
Chapter 4
RESULTS AND DISCUSSION
4.1 INTRODUCTION
This research study has been accomplished in two steps. This chapter in section
4.2 provides the estimation of the results and discussion of the first part, of the study
related to foreign remittances and economic growth. The discussion of this part of the
study analyzes the results on the basis of 1st research question and hypothesis that uses
time series data from 1972-73 to 2012-13. Later on, in the section 4.3, the estimation
and discussions of the results about the impacts of foreign remittances on the
distribution of income in Pakistan and its urban-rural areas will be presented.
4.2 RELATIONSHIP BETWEEN FOREIGN REMITTANCES AND
GROWTH.
In this section, the findings and the results are presented that address the
relationship among foreign remittances, economic growth and some main macro-
economic variables like consumption, investment and import. In estimating time
series data, unit root test is applied usually to check the stationary of the data. After
using the unit root test, the Co-integration, analysis is used to find out whether Co-
integration exists between the variables or not. Appendix B, C, and D are based on
these results of said estimations.
4.2.1 Unit Root Test
The unit root test is applied to observe the stationary level of the variables. In
application of this, Augmented Dickey-Fuller carries out for each variable by
introducing the intercept and trend. Moreover, unit root tests are applied on the
86
logarithmic values of Gross National Product (LNGNP), Consumption (LNCONs),
Foreign Remittances (LNFR), Private Investment (LNINV) and Imports (LNIMP).
4.2.1.1 ADF test at level
Table 5 depicts the results for all the series for unit root using the ADF test at
level with constant and linear trend and with a lag. In the given Table 5the results of
the unit root show that all the variables have unit roots.
4.2.1.2 ADF test at first difference
All the series are tested (in first difference form) for unit roots, the results are
presented in Table6. Thus, it is concluded that these series are stationary at first
difference with the constant and linear trend. This shows that they are integrated of
order one. It means that we can proceed with the co-integrating technique for these
variables.
4.2.2 Co-Integration Analysis.
The result of the unit root tests indicates that all variables are stationary at I(1).
To verify this long run relationship, exist between foreign remittances, growth,
consumption, investment and imports Co-integration test is applied.
4.2.2.1 Model specipication and optimal lag selection in VAR
After analyzing the result of unit root test next step is to find out the lag order
for Co- integration.Co- integrating analysis is sensitive to the specification of the trend
and the number of lags used in the VAR. Therefore, a greater attention is given to deal
this problem.
87
Table: 5 ADF Statistics at Level
Variables ADF (Statistics) Critical Value
1% Level
No. of Lags K
LN GNP -2.608663 -3.608663 0
LNCON -2.766545 -4.234972 0
LNIMP -2.634082 -4.234972 0
LNINV -1.785534 -4.234972 0
LNFR -2.331246 -4.234972 0
Source: Based on computer software E-Views.
Table: 6 ADF Statistics at 1st Difference
Variables ADF (Statistics)
Critical Value
1% Level
No. of Lags K
LN GNP -5.065880 -3.510453 0
LNCON -5.244529 -4.243644 0
LNIMP -9.407273 -4.243644 0
LNINV -5.717836 -4.243644 0
LNFR -3.642137 -3.544284* 0
Source: Based on computer software E-Views.
88
Outcome of different criterions for optimal lag selections are given in Table 7.
According to the criterion, the model four is selected for Co- integration. Schwarz
Criterion suggests that optimal lag is one.
4.2.2.2 Results from Johansen Co-Integration analysis
It is established that all the variables are integrated of order 1 i.e. I (1). While,
SC statistics suggested one lag as optimal lag. The next step is to test the existence of
long run relationship among the variables. So, we can proceed to test for co-integration
among the variables. Johanson and Juselius approach is used for the co-integration
relationship among the variables. Johansen (1988), co-integration test is examined
whether there are one or more than one co-integration relationships. If the number of
co-integrating vector is zero, it would entail that, there is no long run relationship
among the variables. Conversely, if there are co-integrating vectors it recommends that
there are common stochastic trends among the variables that connect them together.
This test is based on Maximum Eigen Statistics and the Trace Test Statistics.
4.2.2.2.1 Trace test statistics
Table 8 illustrates the results on the basis Trace Test for testing the number of
co-integrating relations. In the co-integration test, the null hypothesis, there is no co-
integration among the variables and alternative hypothesis is that co-integration exists
among the variables. The result of Trace Statistics reveals that the trace statistics is
(100.61) greater than the critical values at 05 percent (88.80) level of significance.
Thus, it is possible to reject the null hypothesis of no co-integration vector, in support
of general alternative hypothesis that co-integration exist or long-run relationship
between the variables. Consequently, there is one co-integrating relationship involving
89
Table: 7 Optimal Lag Selections
Lag LogL LR FPE AIC SC HQ
0 54.75136 NA 5.02e-08 -2.618493 -2.403021 -2.541829
1 255.1902 337.5812 4.97e-12 -11.85211 -10.55928* -11.39214*
2 277.8933 32.26227 6.02e-12 -11.73122 -9.361034 -10.88793
3 312.8682 40.49732* 4.33e-12* -12.25622* -8.808672 -11.02961
Source: Calculations are based on computer software E-views.
Indicates lag order selected by the criterion
LR: sequential modified LR test statistic (each test at 5% level)
FPE: Final prediction error
AIC: Akaike information criterion
SC: Schwarz information criterion
HQ: Hannan-Quinn information criterion
SC statistics suggested one lag as optimal lag.
90
the variables. The presence of co-integrating vector predicts that, there exists a stable,
long run relationship between gross national product, consumption, imports,
investment and foreign remittances. This means that while the five series variables
may diverge from each other in the short run, but they will stay near to each other and
not drift far away in the long run.
4.2.2.2.2 Maximum eigen value test
The results on the basis of Maximum-Eigen Statistics are given in the Table 9
reveal that the null hypothesis of no co-integration is at the 5 percent level of
significance. Thus, the alternative hypothesis that at least one co-integrating vector has
been accepted by the test at the 5 percent level of significance. Consequently, it is
deduced that there is precisely one co-integrating relationship involving the variables.
The presence of co-integrating vector confirms that, there exists a stable, long run
relationship between the gross national product, consumption, imports, investment and
foreign remittances. This piece of evidence supports the hypothesis that there is strong,
long run relationship among the variables.
Because of the above discussion and empirical results, there is clear and long-
run relationship among variables, the gross national product, foreign remittances,
private consumption, private investment and imports. The literature for the impact of
foreign remittances on economic growth also support this positive and long run
relationship among the said variables.
4.2.2.2.3 The long run coefficients of the model
The existence of long run relationship between the variables leads to examine
Table: 8 Trace Test
91
Trend assumption: Linear deterministic trend (restricted)
Series: LNCON LNIMP LNINV LNFR
Lags interval (in first differences): 1 to 1
Hypothesized
No. of CE(s)
Eigen value Trace
Statistic
0.05
Critical Value Prob.**
None * 0.636482 100.6099 88.80380 0.0054
At most 1 0.470613 61.14478 63.87610 0.0831
At most 2 0.420212 36.33938 42.91525 0.1942
At most 3 0.202860 15.08078 25.87211 0.5678
At most 4 0.147824 6.238509 12.51798 0.4306
Source: Calculations are based on computer software Eviews-6
Trace test indicates 1 co-integrating equation (s) at the 0.05 level *denotes rejection of the hypothesis at the
0.05 level **MacKinnon-Haug-Michelis (1999) p-values
Table: 9 Maximum Eigen Value Test
Hypothesized
No. of CE(s) Eigen value
Max-Eigen
Statistic
0.05
Critical Value
Prob.**
None * 0.636482 39.46515 38.33101 0.0369
At most 1 0.470613 24.80539 32.11832 0.2978
At most 2 0.420212 21.25861 25.82321 0.1788
At most 3 0.202860 8.842267 19.38704 0.7406
At most 4 0.147824 6.238509 12.51798 0.4306
Source: Calculations are based on computer software Eviews-6
Trace test indicates 1 co-integrating equation (s) at the 0.05 level *denotes rejection of the hypothesis at the
0.05 level **MacKinnon-Haug-Michelis (1999) p-values
92
long run impact of independent variables on dependent variable. Table 10 presents the
empirical results. The long run values are given by the co- integrating regression. The
analysis of the results of 2 SLS indicates that variables which determine the economic
growth have expected signs. Hence foreign remittances, consumption and investment
positively affect the economic growth, whereas imports affects negatively. Empirical
findings indicate that foreign remittances have a positive effect on economic growth
and the 3rd most substantial effect on GNP i.e. 1.07. This means, that 1 percent
increase in foreign remittances causes a 1.07 percent increase in GNP at the 1 percent
level of significance.
The analysis of the results of 2SLS indicates that variables which determine the
economic growth have expected signs. Hence foreign remittances, consumption and
investment positively affect the economic growth, whereas imports affects negatively.
Empirical findings indicate that foreign remittances have a positive effect on economic
growth and the 3rd most substantial effect on GNP i.e. 1.07. This means that 1 percent
increase in foreign remittances causes a 1.07 percent increase in GNP at the 1 percent
level of significance.
This analysis provides empirical support and also indicates positive long run
relationships between economic growth, consumption and investment. This is in line
with the general assertion that consumption and investments are the key components
of economic growth. On this estimation 1 percent increase in consumption leads to
increase in GNP by 1.10 percent at the 1 percent level of significance. Similarly, a
percent increase in investment leads to increase in GNP by 1.34 percent at the 1
percent level of significance. These relationships are inconsistent with economic
93
theory. Results are reported in the table 10 indicate that imports have the negative long
run relationship with the economic growth, i.e. an increase 1 percent of imports leads
to decline in GNP by 0.17 percent. However, this relationship is insignificant. This
means that rising in imports deters economic growth. Empirical evidence for a number
of researchers also confirms these relationships. The findings are consistent with the
literature with Mugal (2012), Ahmad (2006) and Gilani, (1981).
4.2.3 Error Correction Mechanism (ECM)
To examine the short run dynamic among the variables foreign remittances,
gross national product, private consumption, private investment and imports, the study
uses error correction mechanism (ECM). The short run dynamic equation has two
important objectives in this research. Firstly, it is being used to investigate whether the
impact of foreign remittances is stable or temporary. If the responses are significant
both in the short and long run, it can be said that the changes are permanent as well as
transitory. Secondly, the error correction term (ECT) provides information about the
speed of adjustment in response to a deviation from the long run equilibrium. Table 11
presents the short run results of the model which are calculated by using software
Eviews. To compare different results the study uses R2, Durbon –Watson, F- statistics,
Mean Dependence Variance and Probability (F-statistic). Moreover, GNP is used as a
dependent variable.
The results are reported in the table 11indicate that the short run results of first
difference or log-level variables are similar to long run. The short run dynamics
indicate that the short run impact of remittances, consumption and investment is
positive and statistically significant. Imports exert negative statistically significant
94
Table: 10 Long Run Coefficients of the Model (Dependent Variable GNP)
(These results are based on 2SLS)
Variable Coefficient Std. Error t-Statistic Prob.
C -110609.5 86362.94 -1.280752 0.2085
FR 1.073790 0.356145 3.015032 0.0047
CONs 1.101631 0.053260 20.68411 0.0000
INV 1.345236 0.279825 4.807420 0.0000
IMP -0.175931 0.131305 -1.339869 0.1887
Source: Calculations are based on computer software Eviews- 6
R-squared 0.996561 Mean dependent var 4938669.
F-statistic 2617.315 Durbin-Watson stat 1.273099
Prob (F-statistic) 0.000000 Prob(F-statistic) 0.000000
Table: 11 Short Run Coefficients of the Model (Dependent Variable GNP)
Variable Coefficient Std. Error t-Statistic Prob.
IMP -0.006980 0.012742 -0.547769 0.5875
INV 0.121995 0.043917 2.777828 0.0090
FR 0.042479 0.012396 3.426909 0.0017
CONs 0.255756 0.076546 3.341221 0.0021
ECMt-1 -0.215003 0.101182 -2.124910 0.0412
C 0.027223 0.005500 4.949565 0.0000
Source: Calculations are based on computer software Eviews-6
R-squared 0.480886 Mean dependent var 0.048718
F-statistic 6.113969 Durbin-Watson stat 1.94716
Prob(F-statistic) 0.000412
95
effects on economic growth in the short run and the size of negative effect on
economic growth is weaker than long runs. GNP increases 0.25, 0.12 and 0.04percent
as a result of 1 percent increase in consumption, investment and remittances
respectively. The short run coefficients of all variables are smaller than long run
estimates. This confirms that results of research studies are reliable and efficient.
After determining of the existing co-integrating relationship, disequilibrium
may take place in the short run. If, there is a long run connection between the different
variable exist, then an error correction process is also taking place. The coefficient of
the error correction term (ECT) provides information about the speed of adjustment
towards the long run equilibrium after a short run shock. If the speed of adjustment
higher than greater would be corrected in deviations from short run towards long run
Banerjee, et al. (1993).The estimate of the error correction term, i.e. ECMt-1 bears a
negative sign and statistically significant at the 1percent level of significance. The
coefficient of ECMt-1 is -0.21, significantly different from zero, indicating the existing
of error correction mechanism and implying that the D (LNGNP) D (LNCONs),
D (LNINV), D (LNIMP) and D (LNFR) converge to long run equilibrium. The speed
of adjustment of the equilibrium suggests that if a shock inserted into the model 21
percent deviation is rather corrected within the first year. This speed of adjustment is
relatively slow. This confirms our long run established relationship among the
variables.
4.2.4 Diagnostic Tests
The diagnostic tests depict that the model is well built-in, whilst as evident
from LM test, no serial correlation exists. Ramsey’s RESET proves that the functional
96
form is in order. The normal distribution is authenticated by the Normality test. There
is no heteroscedasticity. The graphs of cumulative sum and cumulative sum square
tests are presented in Figure 3 and Figure 4 Both graphs lie within 5 percent
significance boundaries, which specify that short-run and long-run parameters are
stable.
4.3 RELATIONSHIP BETWEEN FOREIGN REMITTANCES AND
DISTRIBUTION OF INCOME
This section provides the results of estimation and discusses about the 2second
step, of the study for the impacts of foreign remittances on the distribution of income
among the households in Pakistan and across urban-rural areas. The discussion of this
section depends on the research questions related to second and third hypotheses.
These results are the outcomes of the estimation of Gini coefficient of pre-post
remittances accompanied by their respective Lorenz curves.
4.3.1. Percentage Distribution of Household Income and Foreign
Remittances.
Analysis of the impact of foreign remittances on the distribution of income
here deals with the answers to some important questions. (i) What is the magnitude of
foreign remittances related to total income? (ii) Which income groups of households
produce migrants? (iii) How much different income groups of migrants remit? And
(iv) how much unequal distribution of remittances contributes to inequality?
Tables 12, 13 and 14 analyze the three HIESs data sets, 2001-02, 2005-06 and
2010-11 and present the trends in the distribution of household’s migrants abroad
97
-15
-10
-5
0
5
10
15
88 90 92 94 96 98 00 02 04 06 08 10 12
CUSUM 5% Significance
Figure: 3 Cumulative Sums
-0.4
0.0
0.4
0.8
1.2
1.6
88 90 92 94 96 98 00 02 04 06 08 10 12
CUSUM of Squares 5% Significance
98
among income quintile through the income order ranked by predicting income
without and with foreign remittances. Column (1) of given table 12 ranks all migrant
households of Pakistan belong to urban-rural areas by income quintile on the basis of
their average annual income. Column (2) presents the percentage of their average
annual income (without remittances) and column (3) presents the percentage of their
average annual income (with remittances). Column (4) shows the percentage change
between column (2) and (3). In order to see which income groups produce more
migrants, it can be observed in the column (1) of Table 12. It presents the percentage
of migrant along the income groups. It shows that the lowest income quintiles actually
produce one of the highest shares of total migrants in overall Pakistan and its rural
areas, but however, in an urban area it is not the lowest. On the other hand, it can also
be observed that the highest income quintiles in urban area produced one of the highest
shares of migrants and the highest income quintile in rural area produced the lowest
share of migrant. Table 12 also provides the information that migrants are not
distributed fairly equal among the income order and poorer groups tend to receive a
smaller share of foreign remittances. Table 12 presents that foreign remittances may
have no positive effect on income distribution, when foreign remittances excluded
with when they have been included in Pakistan and its urban-rural areas in 2001-02.
This shows that the uneven share of abroad migrants produced by the different
income groups may have a negative effect on income distribution. To evaluate this
effect, it is necessary to compare the change in income distribution that occurs when
remittances are included and excluded from the analysis. Table 12 also analyses the
impact of foreign remittances on income distribution in two cases when remittances
99
Table 12: Distribution of Households’ Migrants among Income Quintiles Ranked by
Predicted average Household Income, with and without Foreign
Remittances (HIES 2001-02)
Rank
Percent of
Household
Along the
Income Groups
(1)
Percent of
Average
Income Without
Remittances
(2)
Percent of
Average
Income With
Remittances
(3)
Percent of
Change
Between
(2)&(3)
(4)
Pakistan 2001-02
Lowest 20 25.38 6.00 2.38 -3.68
Second 20 14.62 5.90 3.95 -1.95
Third 20 20.67 13.75 8.68 -5.07
Fourth 20 19.83 20.61 15.43 -5.18
Highest 20 19.50 53.74 69.57 15.83
100.00 100.00 100.00
Urban 2001-02
Lowest 20 17.63 3.20 1.76 -1.44
Second 20 12.23 4.40 3.74 -0.66
Third 20 19.06 10.26 7.75 -2.51
Fourth 20 22.30 18.39 14.69 -3.7
Highest 20 28.78 63.76 72.07 8.31
100.00 100.00 100.00
Rural 2001-02
Lowest 20 32.08 10.46 3.32 -7.32
Second 20 16.67 8.27 4.65 -3.62
Third 20 22.01 19.26 10.72 -8.54
Fourth 20 17.61 23.97 17.92 -6.05
Highest 20 11.64 38.04 63.38 25.34
100 100 100
Source: Calculated by Author
100
are included and excluded from the analysis. As the column (2) shows the percentage
share of average income going to each income quintile group excluding remittances.
Column (3) shows the percentage share of average income going to the each income
quintile group including remittances. Column (4) shows the percent of change
between columns (2) and (3). By analyzing the table, we can see when remittances are
included, the households from the lower-middle income quintiles benefit less than the
household of the upper class for Pakistan and in its urban-rural areas. The share of
average income going to households in second, third and fourth income quintile
declines by 2.9, 7.65 and 14.43 percent respectively. In contrast, the percentage of
average income going to household in the upper highest income quintile increases by
68 percent for Pakistan when remittances are included. However, for other income
quintile these percentage decrease. Similar trend can be observed in urban rural areas.
Column (4) shows large changes in income for different quintile groups, when foreign
remittances are included which show that foreign remittances have a negative effect on
income distribution.
Table 13 is based on the HIES 2005-06 and put forwards the distribution of
households migrants abroad among income quintile through the income order ranked
by predicted income without and with foreign remittances. Column (1) of given
Table 13 ranks all migrant households of Pakistan belong to urban-rural areas by
income quintile on the basis of their average annual income. Column (2) put forward
the percentage of their average annual income (without remittances) and column (3)
presents the percentage of their average annual income (with remittances). Column
(4) shows the percentage change between column (2) and (3). Table 13 presents the
101
Table: 13 Distribution of Household’s Migrants among Income Quintiles
Ranked by Predicted Average Household Income, with and without
Foreign Remittances. (HIES, 2005-06)
Rank
Household
Along the
Income Groups
(Percent)
(1)
Average Income
Without
Remittances
(Percent)
(2)
Average Income
With
Remittances
(Percent)
(3)
Percentage
Change
Column(2) &
(3)
(4)
Pakistan 2005-06
Lowest 20 20.77 7.14 4.71 -2.43
Second 20 19.13 10.64 7.89 -2.75
Third 20 20.07 15.42 11.93 -3.49
Fourth 20 20.19 21.68 18.52 -3.16
Highest 20 19.84 45.12 56.96 11.84
100.00 100.00 100.00
Urban 2005-06
Lowest 20 12.97 3.97 3.35 -0.62
Second 20 16.46 8.00 6.97 -1.03
Third 20 19.62 13.10 11.87 -1.2
Fourth 20 24.05 22.29 20.49 -1.8
Highest 20 26.90 52.63 57.33 4.7
100.00 100.00 100.00
Rural 2005-06
Lowest 20 25.37 9.51 5.53 -3.98
Second 20 20.71 12.61 8.43 -4.18
Third 20 20.34 17.15 11.87 -5.22
Fourth 20 17.91 21.22 17.09 -4.13
Highest 20 15.67 39.50 57.08 17.58
100 100 100
Source: Calculated by Author
102
percentage of migrants along the income groups. It can be seen the lowest income
quintiles actually produce one of the highest shares of total migrants in overall
Pakistan and its rural area but in urban areas are not the lowest.On the other hand, it
can also observe that the highest income quintiles in urban area produce one of the
highest shares of migrant and the highest income quintile in rural area produced lowest
share of migrant.
Table 13 shows that migrants are not distributed fairly equally among the
income quintiles, and poorer groups tend to receive a smaller share of foreign
remittances. Table 13 also presents that remittances may have no positive effect on
income distribution when foreign remittances excluded with when foreign included in
Pakistan and its Urban-Rural areas in 2005-06. The uneven share of abroad migrants
produce by the different income groups may have a negative effect on income
distribution. To evaluate this effect, it is necessary to compare the change in income
distribution that occurs when remittances are included and excluded from the analysis.
Table 13 also shows the impact of foreign remittances on income distribution
in the cases, when remittances are included and excluded from the analysis. As the
column (2) shows the percentage share of average income going to each income
quintile group excluding remittances. Column (3) shows the percentage share of
average income going to each income quintile group including remittances. Column
(4) shows the percent of change between column (2) and (3). By analyzing the table, it
can be seen when remittances are included, the household from the lower-middle
income quintiles benefit less than the household of the upper class for Pakistan across
its urban-rural areas. The share of average income going to households in second, third
103
and fourth income quintile declines by 6.8, 10.9 and 17.5 percent respectively. In
contrast, the percentage of average income going to household in the upper highest
income quintile increases by 55.96 percent for Pakistan when remittances are included.
The largest percentage increases for the highest quintile, while, for other income
quintile these percentage decrease, similar trend can be observed in urban rural areas.
Column (4) shows large changes in income for different quintile groups when foreign
remittances are included which show that foreign remittances have a negative effect on
income distribution.
Table 14 is based on the HIES 2010-11 presents the distribution of migrant
households and income without and with foreign remittances. Column (1) of given
Table 14 ranks all migrant households of Pakistan belong to urban-rural areas by
income quintile on the basis of their average annual income. Column (2) presents the
percentage of their average annual income (without remittances) and column (3)
present the percentage of their average annual income (with remittances). Column (4)
shows the percentage of change between column (2) and (3). It can be observed in the
column (1) of Table 14 in order to see which income roups produce more migrants.
Table 14 presents the percentage of migrant along the income groups. It can be
seen that the lowest income quintiles actually produced one of the highest shares of
total migrants in overall Pakistan and across its rural areas but in urban areas are not
the lowest. Moreover, it can also be observed that the highest income quintiles in
urban area produce one of the highest shares of migrants and the highest income
104
Table: 14 Distribution of Household’s Migrants among Income Quintiles Ranked by
Predicted Average Household Income, with and without Foreign Remittances.
(HIES. 2010-11)
Rank
Percent of
Household
Along the
income
Groups
(1)
Percent of
Average Income
Without
Remittances
(2)
Percent of
Average Income
With Remittances
(3)
Percent of
Change
Between
(2)&(3)
(4)
Pakistan 2010-11
Lowest 20 20.05 7.52 5.37 -2.15
Second 20 19.93 11.56 8.81 -2.75
Third 20 20.16 15.65 13.03 -2.62
Fourth 20 19.82 20.74 19.02 -1.7
Highest 20 20.05 44.53 53.77 9.24
100.00 100.00 100.00
Urban 2010-11
Lowest 20 10.86 3.65 3.49 -0.16
Second 20 13.49 6.59 6.44 -0.15
Third 20 23.03 15.07 13.12 -1.95
Fourth 20 22.70 20.16 19.50 -0.66
Highest 20 29.93 54.53 57.45 2.92
100.00 100.00 100.00
Rural 2010-11
Lowest 20 25.00 10.28 6.43 -3.85
Second 20 23.40 15.09 10.07 -5.02
Third 20 18.62 16.06 12.63 -3.43
Fourth 20 18.26 21.15 18.12 -3.03
Highest 20 14.72 37.42 52.74 15.32
100.00 100.00 100.00
Source: Calculated by Author
105
quintile in rural area produced the lowest share of migrant. Table 14 indicates that
migrants are not distributed fairly equal among the income classes and poorer groups
tend to receive a smaller share of foreign remittances.
Table 14 presents that the effects of remittances may have no positive effect on
income distribution after the inclusion of the pre- remittances income in urban-rural
areas of Pakistan in 2010-11. The uneven share of abroad migrants produced by the
different income groups may have a negative effect on income distribution. To
evaluate this effect, it is necessary to compare the trends in changing in income
distribution that occurs when remittances are included and excluded from the analysis.
Table 14 also analyses the impact of foreign remittances on income distribution
in two cases when remittances are included and excluded from the analysis. As the
column (2) reveals the percentage share of average income going to each income
quintile group excluding remittances. Column (3) shows the percent share of average
income going to each income quintile group including remittances. Column (4)
presents the percentage of change between column (2) and (3). By analyzing the table,
it can be seen when remittances are included, the households from the lower-middle
income quintiles benefit less than the household of the upper class for Pakistan and its
urban-rural areas. The share of average income going to households in second, third
and fourth income quintile declines by 7.8, 12.8 and 18.5 percent respectively.
In contrast, the percentage of average income going to household in the upper
highest income quintile increases by 52.77 percent for Pakistan when remittances
include the largest percentage increases for the highest quintile for other income
106
quintile these percentage decrease, similarly it can observe for urban rural areas.
Column (4) shows large changes in income for different quintile groups when foreign
remittances are included which show that foreign remittances have negative effect on
income distribution. This section of the study may conclude by the analysis of three
HIES data sets that remittances have a negative effect on income distribution because
they are not distributed fairly equals through the income order in Pakistan and in its
urban-rural areas. Lower and middle income quintile groups of household’s decreases
their percentage after inclusion of foreign remittances and upper income class
increases their percentage share.
4.3.2 Gini Ratios and Lorenz Curves
Changes in income distribution before and after the foreign remittances are
measured by standard indices of inequality, the Gini coefficient in this analysis. The
graphical presentation of Lorenz curves is also used in this connection. In this section,
distribution of income of initial group is being compared with the distribution of
income of the post remittances group. The Gini coefficients are presented along the
Lorenz curves for making, among overall Pakistan and across its urban-rural areas
during 2001-02, 2005-06 and 2010-11.
The purpose of this study is to calculate Gini coefficients for group data
through trapezoidal approximation and OLS method. However, these summary
statistics are not error free because their values are sensitive to the pattern of
distribution in low, middle and high income groups. The main purpose of this study is
to compare the trend in the distribution of income in Pakistan and its urban- rural areas
over the time. Here, the trend in pre- remittances income for the income groups is
107
compared with that of the trend in post- remittances distribution of incomes. The Gini
coefficients are also presented along the Lorenz curves for comparing distributions in
Pakistan and across the urban-rural areas in 2001-02, 2005-06 and 2010-11.
The analysis has been carried out keeping in view total households with and
without remittances in the following section 4.3.3. The study has also conducted
analysis in the section 4.3.4. keeping in view only those households which have
received remittances in the three selected years.
4.3.3 Pre and Post Remittances Incidence (Keeping in view total households)
This section provides the trends in the distribution of income keeping in view
total households belonging to different income groups. Pre-post Gini coefficients are
based on Lorenz curves without and with foreign remittances.
4.3.3.1 Pre and post remittances incidence in Pakistan.
The Gini ratios in Pakistan for pre and post- remittances incidence are given,
in table 15, it can be evidenced from given table that Gini ratios for pre remittance
distribution are smaller than the Gini ratios for post remittance distribution in all three
selected years 2001-02, 2005-06 and 2010-11. It can be seen that in the period 2001-02
pre remittances Gini ratio is 0.41, while the post-remittances Gini ratio for the same
year is equal is 0.42. In percentage terms, there is an increase of 2.44 percent in pre-
remittances Gini ratio after the remittances incidence has been observed. Hence, due to
the inclusion of remittance distribution of income, it has become more discouraging
for the lower income groups. In the same way, in 2005-06 pre-remittances Gini ratio is
0.42, while it has been increased to 0.55 after the inclusion of remittances in the same
108
Table: 15 Pre and Post Gini Coefficients (Pakistan)
Years 2001-02 2005-06 2010-11
Pre-remittances Gini
ratio
0.41 0.42 0.38
Post remittances
Gini ratios
0.42 0.55 0.56
Percentage variation
in Gini ratios
2.44 30.95 47.37
Source: Calculated by Author
109
period in overall Pakistan.
In percentage terms, there is an increase of 30.95 in pre-remittances Gini ratio
after the inclusion of remittances. Finally, in 2010-11 pre remittances Gini ratio is
0.38, while the post-remittances Gini ratio is equal to 0.56, which is 47.37 percent
greater than its pre-remittances Gini ratio as shown in Table 15 (column 4, row 4).
It can be concluded that there is disparity between distributions of income in
different time periods. In all three selected periods (2001-02, 2005-06 and 2010-11)
the Gini ratios are increased. It may also be observed that the disparity between initial
distribution of income and post-remittances is greater in 2010-11 than in 2005-06 and
very small in 2001-02. The trend between above mentioned years may be interpreted
to mean that the distributional impacts of remittances in Pakistan are the largest in
2010-11 and the smallest in 2001-02.
4.3.3.2 Pre and post lorenz curves in Pakistan
The pre and post Lorenz curves are s hown in figures 5, 6 and 7 respectively.
From these figures, it can be concluded that the shapes and their positions are quite
consistent with the Pre and Post Gini ratios in Pakistan in all three selected time
periods.
4.3.3.3 Pre and post remittances incidence in urban areas of Pakistan.
The pre-post Gini ratios in urban area of Pakistan for pre and post remittances
incidence are given in Table 16, it can be evidenced from given table that
concentration ratios for pre - remittances distribution are greater than the Gini ratios
for post - remittances distribution in all selected periods. For example, in 2001 – 02
pre-remittances Gini ratio is 0.7181, while post - remittances Gini ratio for the same
110
Source: Drawn by using HIES Data by the Author
Figure 5: Pre- Post Remittances Lorenz Curve, 2001-02 (Pakistan)
111
Source: Drawn by using HIES Data by the Author
Figure 6: Pre- Post Remittances Lorenz Curves, 2005-06 (Pakistan)
112
Source: Drawn by using HIES Data by the Author
Figure 7: Pre and Post Remittances Lorenz Curves 2010-11 (Pakistan)
113
the same period is equal to 0.7182. In percentage terms, impact is almost same 0.014
percent increase in the pre-remittances Gini ratio after the remittances incidence has
been realized. Hence, due to the effects of remittances, distribution of income is almost
same for low income groups of urban areas. Similarly, it can be seen, in 2005-06 pre-
remittances Gini ratio is 0.2487, while it has increased to 0.2739 after the inclusion of
remittances in the different income groups in the urban areas. However, this time the
boost in Gini coefficient is 10.11 percent as can be seen in Table 16 Lastly, in 2010-
11, pre-remittances Gini ratio is 0.2211, while post-remittances Gini ratio is 0.2443,
which is 10.50 percent more than its pre-remittances Gini ratio as shown in Table 16
(row4, column 4)
It can be accomplished that discrepancy between initial distribution of income
and the post-remittances distribution is the largest in 2010-11, larger in 2005-06 and
almost the smallest in 2001- 02. This disparity may be interpreted to mean that the
remittances addition impact in urban areas is worsening in 2010-11, 2005-06 and small
in 2001-02.
4.3.3.4 Pre and post lorenz curves in urban areas of Pakistan
The pre-post Lorenz curves in urban areas of Pakistan which show,
correspondingly are depicted in figures 8, 9 and 10 respectively.
4.3.3.5 Pre and post remittances incidence in rural areas of Pakistan
The Gini ratios in rural areas of Pakistan for pre and post-remittances incidence
are given in Table 17. It can be evidenced from given table, that post Gini ratios for
post-remittances distribution are greater than the Gini ratios in pre-remittances
distribution in 2005-06 and 2010-11 but small in 2001-02 in rural areas. On the other
114
Table 16 Pre and Post Gini Coefficients (Urban)
Years 2001-02 2005-06 2010-11
Pre remittances Gini ratios 0.46 0.41 0.37
Post remittances Gini ratios 0.48 0.50 0.47
Percentage variation in Gini
ratios
4.35 21.95 27.58
Source: Calculated by Author
Table: 17 Pre and Post Gini Coefficients (Rural)
Years 2001-02 2005-06 2010-11
Pre Gini ratio 0.36 0.38 0.35
Post Gini ratios 0.39 0.55 0.47
Percentage variation in Gini
ratios
5.87 44.82 34.29
Source: Calculated by Author
115
hand, these result are quite related as in case of Pakistan and urban areas in the same
period 2001-02. Looking at Table 17 in 2001-02, the Gini ratio is 0.36 in a pre-
remittances era, while its counterpart Gini ratio is 0.39 in a post remittances era. The
percentage increases in Gini ratio is 5.87 very small. Whereas, in 2005-06, the Gini
ratio of pre-remittances are 0.38, while in the same years post remittances Gini ratio
becomes equal to 0.55 which shows 44.74 percent increase in Gini ratio.
Finally, in 2010-11 the value of the pre remittances Gini ratio is 0.35 and that
of the post Gini ratio is 0.47 in a post remittances era. While, percentage increases in
Gini ratio are only 34.29 percent, which is smaller than Gini ratio in 2005-06 in rural
areas. In summary, the difference between initial distribution of income and post
distribution is the largest in 2005-06, larger in 2010-11 and smaller in 2001-02 in rural
in 2005-06 and 2010-11 the value of Gini coefficient increased after the addition of
remittances.
4.3.3.6 Pre and post lorenz curves in rural areas of Pakistan
The Pre and Post Lorenz curves in rural areas of Pakistan which show,
correspondingly are depicted in figures 11, 12 and 13 respectively.
4.3.3.7 Rural versus urban pre and post remittances Incidence
Table 18 shows pre and post- remittances Gini ratios and their comparisons for
urban-rural areas, in three selected years. The comparison of pre and post- remittances
Gini ratios for urban-rural areas, in three selected years is presented in the given Table
18.It can be seen that rural pre-remittances Gini ratios are smaller than urban pre-
remittances Gini ratios in the years 2001-02, 2005-06 and 2010-11. In other words, the
pre remittances income distribution in rural areas (Having relatively smaller Gini ratio)
116
Source: Drawn by using HIES Data by the Author
Figure: 8: Pre- Post Remittances Lorenz Curves, 2001-02 (Urban)
117
.
Source: Drawn by using HIES Data by the Author
Figure 9: Pre- Post Remittances Lorenz Curves, 2005-06 (Urban)
118
Source: Drawn by using HIES Data by the Author
Figure 10: Pre- Post Remittances Lorenz Curve, 2010-11 (Urban)
119
are more equal distribution than their counterpart urban areas in all selected years
(compare row- column).
However, in 2001-02 the rural pre-remittances ratio is smaller than urban pre-
remittances Gini ratio (compare row and column). The urban Gini ratio is 0.46 and the
rural Gini ratio is 0.36 it means that pre-remittances income distribution is more equal
in rural than urban areas in 2001-02. However, the post Gini ratio of urban and rural
areas produced by post-remittances is 0.48 and 0.39, which is greater than the pre-
remittances ratio. It means that due the addition of remittances the distribution of
income in rural and urban areas have become more unequal than in the pre-remittances
era. Let us explain these facts and figures from another point of view, in Table 18 pre-
remittances Gini ratio in 2001- 02 is 0.46 in urban areas, while post-remittances
Gini ratio is 0.48 which is increasing by 4.35 percent. In 2005-06 pre-remittances Gini
ratio is 0.41 and post-remittances Gini ratio is 0.50, the percentage increase in the
urban Gini ratio in 2005-06 is 21.95 percent.
Similarly, in 2010-11 Gini ratio is 0.37 and post-remittances urban Gini ratio is
0.47. The percentage increase in the urban Gini ratio is 27.03 percent. Turning to
values of pre-post Gini ratios in rural areas and their percentage increase, in 2001-02
pre remittances Gini ratio is 0.36 and post remittances rural concentration ratio is
0.39. Thus percentage change is a 5.87 percent increase. In 2005-06 Gini ratios are a
0.38 and post-remittance Gini ratio is 0.55. The percentage increase is 44.74, in 2010-
11 pre-remittances Gini ratio is 0.35 and post remittances is 0.47. The percentage
increases in the rural Gini ratio is 34.29. Obviously, percentage increases in rural Gini
120
Source: Drawn by using HIES Data by the Author
Figure 11: Pre- Post Remittances Lorenz Curves, 2001-02 (Rural)
121
Source: Drawn by using HIES Data by the Author
Figure 12: Pre-Post Remittances Lorenz Curve, 2005-06 (Rural)
122
Source: Drawn by using HIES Data by the Author
Figure 13: Pre-Post Remittances Lorenz Curves, 2010-11 (Rural)
123
ratio due to remittances addition in all selected periods. In other words, after induction
of remittances to each income group of urban-rural households, income distribution is
worsening in all periods for urban-rural income households. But income distribution is
relatively less worsened for urban and rural households in 2001-02 and income
distribution is more worsen for rural and urban areas in 2005-06. Now it can also be
compared in terms of the percentage given in rows.
4.3.3.8 Gini ratios by OLS method. (Keeping in view total households)
The results for fitting the data in Lorenz function , equation (3.3.4), by OLS
method are shown in the given Tables 19 and 20 for urban-rural areas and overall
Pakistan. The resulting OLS Gini ratios are also given in the same table for testing the
equality of β coefficients and thus a test for equality of distribution of income.
4.3.3.9 Chow Breakpoint test for structural stability
Chow test is used, as alternative for stability test that coefficient is stable, are
not different. (Chow, 1960). This test breaks the sample into two or more structures,
estimates the equation for each of them. Chow test is carried out for significant
difference in β coefficient. The null hypothesis of the Chow test asserts that no breaks
at specified break points, β1= β2. This test is an F test checking F statistics if over 5
percent we can accept the null hypothesis of no break and shows the equality of the
regression coefficient, if Fcal > Ftab, the hypothesis HO that parameters are stable
β1=β2=β is rejected and can be accomplished that there is proof of structural instability.
In Table 21, three types of test of experiments are shown by applying the Chow test. In
all three experiments, pre- post regression coefficients are statistically not significantly
different from overall Pakistan. So H0 cannot be rejected and coefficients are not
124
Table: 18 Pre and Post Gin Coefficients (Urban- Rural) 2001-02, 2005-06, 2010-11.
Years 2001-2002 2005-2006 2010-2011
Urban
Pre remittances
Gini coefficient
0.46 0.41 0.37
Post remittances
Gini coefficient
0.48 0.50 0.47
Rural
Pre remittances
Gini coefficient
0.36 0.38 0.35
Post remittances
Gini coefficient
0.39 0.55 0.47
Percentage variation in Gini
coefficient (urban)
4.35 21.95 27.03
Percentage variation in Gini
coefficient (rural)
5.87 44.74 34.29
Percentage difference in urban-
rural percentage variation in Gini
ratios
34.94 103.83 26.85
Source: Calculated by Author
125
Table: 19 Results for Lorenz Estimation (Urban- Rural)
OLS
Experiment
2001-02 2005-06 2010-11
Pre- Remittances
Urban Rural Urban Rural Urban Rural
β 2.20 1.51 1.91 1.71 1.63 1.48
t- ratios 13.2 15.65 14.17 11.6 15.7 13.27
0.93 0.99 0.99 0.98 0.99 0.98
Gini- ratios 0.46 0.36 0.42 0.39 0.38 0.35
Post-Remittances
Urban Rural Urban Rural Urban Rural
β 2.30 1.69 2.81 3.59 2.43 2.45
t-ratios 13.0 15.5 12.55 6.45 13.00 9.49
R2
0.99 0.99 0.98 0.90 0.98 0.96
Gini- ratios 0.48 0.39 0.53 0.59 0.49 0.49
Source: Calculated by Author
126
Table: 20 Result for Lorenz Estimation in Pakistan
OLS estimation 2001-02 2005-06 2010-11
Pre- Remittances
β 1.74 1.97 1.65
t- ratios 16.28 12.03 13.7
R2
0.99 0.98 0.98
Gini-ratios 0.40 0.43 0.38
Post-Remittances
β 1.95 3.52 3.51
t- ratios 15.33 8.60 9.2
R2
0.98 0.95 0.96
Gini-ratios 0.43 0.59 0.59
Source: Calculated by Author
127
statistically different and stable. But for urban areas in all three experiments the
regression coefficients for pre-post remittance distribution are statistically significantly
different at5 percent. However, for rural areas in all three experiments, the regression
coefficients for pre-post remittance distribution are statistically significantly different
at 1 percent in 2005-06 and at 5 percent in 2001- 02 and 2010-11at 5 percent
respectively. Here in all results p value is < 1 this mean Ho got rejected, it can be said
that the coefficients are different and not stable so there is a structural break in the data.
4.3.4 Pre and Post Remittances Incidence: (Remittances receiving households)
4.3.4.1 Pre and post remittances incidence in Pakistan
This section of the study presents the trends in the distribution of income by isolating
only those households which receive foreign remittances. Gini coefficients based on
Lorenz curves of income of households are measured and compared with the absence
of migration without foreign remittances and then with actual households income with
foreign remittances.
The pre-post Gini ratios in Pakistan for pre and post remittances incidence are
given in Table 22. It can be evidenced from the table that Gini ratios for pre-remittance
distribution are smaller than the Gini ratios for post-remittance distribution in all three
selected years 2001-02, 2005-06 and 2010-11. It can be seen, that in the period 2001-
02 pre-remittances Gini ratio is 0.47, and while the post-remittances Gini ratio for the
same year is equal is 0.63. In percentage terms, there is increase of 34.04 percent in
pre-remittances Gini ratio after the remittances incidence has been observed. Hence,
due to the inclusion of remittance distribution of income has become more
discouraging for lower income groups. In the same way, in 2005-06 pre-remittances
128
Table: 21 Chow Breakpoint Tests for Significant Differences in β Coefficients
Distributive Experiment F-statistical Probability
2001-02 Pre-post-Remittances( Pakistan) 1.24 0.31
2001-02 Pre-post-Remittances ( Urban) 3.37 0.05
2001-02 Pre-post-Remittances ( Rural) 2.86 0.08
2005-06 Pre-post-Remittances (Pakistan) 1.05 0.36
2005-06 Pre-post-Remittances ( Urban) 3.14 0.07
2005-06 Pre-post-Remittances (Rural) 4.09 0.03
2010-11 Pre-post-Remittances (Pakistan) 1.12 0.34
2010-11 Pre-post-Remittances (Urban) 3.60 0.05
2010-11 Pre-post-Remittances (Rural) 3.35 0.05
Source: Calculated by Author
129
Gini ratio is 0.37, while it has been increased to 0.49 after the inclusion of remittances
in the same period in overall Pakistan. In percentage terms, there is an increase of
32.43 percent in the pre remittances Gini ratio after the inclusion of remittances.
Finally, in 2010-11 pre- remittances Gini ratio is 0.36, while the post-remittances Gini
ratio is equal to 0.46, which is 27.78 percent greater than its pre-remittances Gini ratio
as shown in Table 22 (column 4, row 4).
It may be concluded that there is disparity between distributions of income between
different time periods. In all three selected periods (2001-02, 2005-06 and 2010-11),
the Gini ratios have increased. It may also be observed that the disparity between
initial distribution of income and post-remittances is greater in 2001-02 than in 2005-
06 and 2010-11. The disparity between them may be interpreted to mean that the
distributional impacts of remittances in Pakistan was the largest in 2001-02.
4.3.4.2 Pre and post lorenz curves in Pakistan
The pre-post Lorenz curves are shown in figures 14, 15 and 16 respectively.
From these figures, it can be concluded that the shapes and their positions are quite
consistent with the pre-post Gini ratios in Pakistan in all three selected periods.
4.3.4.3 Pre and post remittances incidence in urban areas of Pakistan
The pre-post Gini ratios in urban area of Pakistan for pre and post-remittances
incidence are given in Table 23. It can be evidenced from Table 23 that Gini ratios for
pre-remittance distribution are lesser than the Gini ratios for post-remittance
distribution in all three selected periods. For example, in 2001-02 pre-remittances Gini
ratio is 0.45, while post-remittances concentration ratio for the same period is equal to
0.54. In percentage term impact is almost 20 percent increase in the pre-remittances
130
Table: 22 Pre-Post Gini Coefficients (Pakistan)
Year
2001-02
2005-06
2010-11
Pre-remittances
Gini ratio
0.47 0.37 0.36
Post remittances
concentration ratios
0.63 0.49 0.46
Percentage
variation in Gini
ratios
34.04 32.43 27.78
Source: Calculated by Author
131
Gini ratio after the remittances incidence has been realized. Hence, due to the effects
of remittances, distribution of income is almost worsening for low income groups of
urban areas. Similarly, it can be seen in, 2005-06 pre-remittances Gini ratio is 0.35,
while it has increased to 0.41 after inclusion of remittances to the different income
groups in the urban areas.
However, this time the boost in Gini coefficient is 17.14 percent as can be seen
in Table 23. Lastly, in 2010-11, pre-remittances Gini ratio is 0.33, while post-
remittances Gini ratio is 0.36, which is 9.09 percent more than its pre-remittances Gini
ratio as shown in Table23 ( row4, column 4). It can be accomplished that discrepancy
between initial distribution of income and the post-remittances distribution is the
largest in 2010-11, larger in 2001-02 and smaller in 2005-06. This disparity may be
interpreted to mean that the remittances addition impact in urban areas is worsening in
all three selected time periods.
4.3.4.4 Pre and post lorenz curves in urban areas of Pakistan
The pre-post Lorenz curves which show, correspondingly in urban areas are
depicted in figures 17, 18 and 19 respectively. From these figures, it can be concluded
that shapes and their positions are quite reliable with Gini coefficient ratios in urban
areas of Pakistan in all three selected periods.
4.3.4.5 Pre and post remittances incidence in rural areas of Pakistan
The pre-post Gini ratios in rural area of Pakistan for pre and post remittances
incidence are given in Table 24. It can be evidenced from Table 24, that Gini ratios for
pre - remittances distribution are lesser than the Gini ratios for the post - remittances
132
Source: Drawn by using HIES Data by the Author
Figure 14: Pre-Post Remittances Lorenz Curves, 2001-02 (Pakistan)
133
Source: Drawn by using HIES Data by the Author
Figure 15: Pre-Post Remittances Lorenz Curves, 2005-06 (Pakistan)
134
Source: Drawn by using HIES Data by the Author
Figure 16: Pre-Post Remittances Lorenz Curves, 2010-11 (Pakistan)
135
Table: 23 Pre and Post Gini Coefficients (Urban)
Years
2001-02
2005-06
2010-11
Pre-remittances Gini
ratio
0.45 0.35 0.33
Post remittances
concentration ratios
0.54 0.41 0.36
Percentage variation
in Gini ratios
20.00 17.14 9.09
Source: Calculated by author
Table: 24 Pre and Post Gini Coefficients (Rural)
Years
2001-02
2005-06
2010-11
Pre-remittances Gini
ratio
0.447 0.38 0.36
Post remittances
Gini ratios
0.68 0.55 0.52
Percentage variation
in Gini ratios
52.12 44.74 44.45
Source: Calculated by author
136
distribution in all three selected periods. The Gini ratios in rural areas of Pakistan for
pre and post-remittances incidence are given in Table 24. It can be evidenced from
table that post Gini ratios for post- remittances distribution are greater than the Gini
ratios for pre- remittances distribution in 2001-02, 2005-06 and 2010-11 in rural areas.
On the other hand, these results are quite related as in case of Pakistan and
urban areas in the same periods. Looking at Table 24, in 2001-02, the Gini ratio is
0.447 in pre-remittances era, while its pre-remittances Gini ratio is 0.68 in a post-
remittances era. The percentage increase in Gini ratio is very large. Whereas, in 2005-
06 the Gini ratio of pre-remittances are 0.38, while in the same years post-remittances
in Gini ratio. Finally, in 2010-11 the value of the pre-remittances Gini ratio is 0.36 and
that of Gini ratio is 0.52 in a post-remittances era. While, percentage increases in Gini
ratio are only 44.45 percent, which is smaller than Gini ratio in 2005-06 in rural areas.
On the basis of results it can be concluded that the difference between initial
distribution of income and post distribution is larger in all time periods in rural areas.
It means that income distribution worsened in rural areas after inclusion of
remittances.
4.3.4.6 Pre and post lorenz curves in rural areas of Pakistan
The pre-post Lorenz curves which show, correspondingly in rural areas are
depicted in figures 20, 21 and 22 respectively. From these figures it can be concluded
that shapes and their positions are quite reliable with Gini coefficient ratios in rural
areas of Pakistan in all three selected periods.
137
Source: Drawn by using HIES Data by the Author
Figure 17: Pre-Post Remittances Lorenz Curves, 2001-02 (Urban)
138
Source: Drawn by using HIES Data by the Author
Figure 18: Pre-Post Remittances Lorenz Curves, 2005-06 (Urban)
139
Source: Drawn by using HIES Data by the Author
Figure 19: Pre-Post Remittances Lorenz Curves, 2010-11 (Urban)
140
4.3.4.7 Rural versus urban, pre and post remittances incidence
Table 25 shows pre and post-remittances Gini ratios keeping in view
remittances receiving households and their comparisons for urban-rural areas, in three
selected years. The comparison of pre and post- remittances Gini ratios for urban-rural
areas, in three selected years is presented in the Table 25.This show pre and post-
remittances Gini ratios and their comparisons for urban-rural areas, in three selected
years. The comparison of pre and post-remittances Gini ratios for urban-rural areas, in
three selected years is presented in the given table. It can be seen that rural pre-
remittances Gini ratios are greater than urban pre- remittances Gini ratios in years
2005-06 and 2010-11 and almost same in year 2001-02.
In other words, it can be said that pre-remittance income distribution in urban
areas (having relatively smaller Gini ratios) is more equal distribution than their
counterpart rural areas in years 2005-06 and 2010-11. (Compare row, column).
However, in 2001-02 the rural pre-remittances ratio is almost same with urban pre-
remittances Gini ratio (compare row and column) but variation in Gini ratio is very
small. The urban Gini ratio is 0.448 and the rural Gini ratio is 0.447 values are same, it
means that pre-remittances income distribution is almost equal in both rural and urban
areas in 2001-02. However, the post Gini ratio of urban and rural areas produced by
post-remittances is 0.54 and 0.68, which is for rural areas is greater than post-
remittances ratio of urban areas. It means that due to remittances addition, the
distribution of income in rural is worse than urban areas. Let us explain these facts and
figures from another point of view, in Table 25 pre-remittances Gini ratio in 2001-02
is 0.448 in urban areas, while post-remittances Gini ratio is almost same which 0.54
141
Source: Drawn by using HIES Data by the Author
Figure 20: Pre-Post Remittances Lorenz Curves, 2001-02 (Rural)
142
Source: Drawn by using HIES Data by the Author
Figure 21: Pre-Post Remittances Lorenz Curves, 2005-06 (Rural)
143
Source: Drawn by using HIES Data by the Author
Figure 22: Pre-Post Remittances Lorenz Curves, 2010-11 (Rural)
144
that increases in 20.54 percent. In 2005-06 pre remittances Gini ratio is 0.35 and post-
remittances Gini ratio is 0.41. The percentage increase in the urban Gini ratio in 2005-
06 is 17.14 percent. Similarly, in 2010-11 Gini ratio is 0.33 and post remittances urban
Gini ratio is 0.36. The increase in the urban Gini ratio is 9 percent.
Turning to values of pre-post Gini ratios in rural areas and their percentage
increase, in 2001-02 pre-remittances Gini ratio is 0.447 and post-remittances rural Gini
ratio is 0.68. Thus percentage change is a 52.12 percent increase. In 2005-06 Gini ratio
is 0.38 and post- remittances Gini ratio is 0.55. The percentage increase is 44.78
percent, in 2010-11 pre-remittances Gini ratio is 0.36 and post-remittances is 0.52. The
percentage increase in the rural Gini ratio is 44.45 percent.Obviously, percentage
increases in rural Gini ratio due to remittances addition to all selected n periods. In
other words, after induction of remittances to each income group of urban-rural
households, income distribution is worsening in all periods for rural urban income
households. But income distribution is relatively less worsen for urban and rural
households in 2010-11 (row, column) and income distribution is more equal for rural
and urban areas in 2001-02.
4.3.4.8 Gini ratios by OLS method. (Remittances receiving households)
The results for fitting the data, keeping in view the households receiving
remittances to Lorenz function, equation (3.3.4), by ordinary least method are shown
in the given Tables 26 and 27. The resulting OLS Gini ratios are also given in the same
table. This test shows that if structural relationships are altered the Gini-ratios should
differ considerably pre-remittances to post-remittances era.
145
Table: 25. Pre and Post Gini Coefficients (Urban- Rural) 2001-02, 2005-06, 2010-11
Years
2001-2002
2005-2006
2010-2011
Urban Pre remittances
Gini coefficient
0.448 0.35 0.33
Post remittances
Gini coefficient
0.54 0.41 0.36
Rural Pre remittances
Gini coefficient
0.447 0.38 0.36
Post remittances
Gini coefficient
0.68 0.55 0.52
Percentage variation in Gini
coefficient (urban)
20.54 17.14 9.09
Percentage variation in Gini
coefficient (rural)
52.12 44.741 44.45
Percentage difference in urban
rural percentage variation in Gini
concentration ratios
153 161 389
Source: Calculated by Author
146
4.3.4.9 Chow Breakpoint test for structural stability
Chow test is also used to keep in view the households receiving remittances to
see, that the coefficient is stable are not different. In Table 28, three types of tests have
been shown by applying Chow test keeping in view the household receiving
remittances. In first three tests, for Pakistan, the regression coefficients for the pre-
remittances distribution are statistically not significantly different from their Pakistan
counterpart for the post-remittances distributions. These results are same as in case of
total households receiving remittances. So it cannot be rejected Ho that difference in
post-remittances inequality is merely due to chance variation. So it can be said that
coefficients are not statistically different and stable. Similarly for urban-rural areas in
first two test regression coefficients for the pre-remittances distribution is statistically
not significantly different from their counterparts in the post-remittances distributions.
Third test for urban-rural areas in the same type of test, the regression
coefficients for pre remittance distribution are statistically significant different at 1
percent and 5 percent of post remittance distribution for their counterparts. This shows
that post-remittances Gini ratios in urban-rural areas possess significantly more
inequality in the distributions than that the pre-remittances Gini ratios in these areas in
each time period. Hence, remittances significantly increase the final (post-
remittances) income inequalities in urban and rural areas.
4.3.5 Analyses of Total Households Versus Remittances Rreceiving Households.
This section 4.3.5 of the chapter presents the comparison of section 4.3.3
keeping in view total households, and section 4.3.4 keeping in view household
receiving remittances in Table 29 for Pakistan and its urban - rural areas for three
147
Table: 26 Results for Lorenz Estimation (Urban- Rural)
OLS
Estimation 2001-02 2005-06 2010-11
Pre- Remittances
Urban Rural Urban Rural Urban Rural
2.19 2.18 1.49 1.63 1.34 1.52
t- ratios 21.42 15.3 15.7 14.8 19.2 11.32
R2 0.99 0.98 0.99 0.98 0.99 0.98
Gini- ratios 0.46 0.46 0.36 0.38 0.33 0.36
Post-Remittances
Urban Rural Urban Rural Urban Rural
3.16 6.39 1.88 3.40 1.54 3.06
t-ratios 14.56 8.4 12.5 8.6 16.27 7.22
R2 0.98 0.95 0.98 0.95 0.99 0.93
Gini-ratios 0.56 0.74 0.42 0.58 0.36 0.59
Source: Calculated by Author
148
Table: 27 Result for Lorenz Estimation (Pakistan)
OLS Estimation 2001-02 2005-06 2010-11
Pre- Remittances
2.40 1.60 1.49
t- ratios 17.4 15.3 13.8
R2 0.99 0.99 0.98
Gini-ratios 0.48 0.37 0.36
Post-Remittances
4.66 2.68 2.31
t- ratios 11.4 10.08 10.59
R2 0.97 0.97 0.97
Gini-ratios 0.66 0.51 0.47
Source: Calculated by Author
149
Selected time periods 2001-02, 2005-06 and 2010-11. In case of overall Pakistan in
2001-02 changes in income distribution between excluding and including foreign
remittances measure Gini coefficient. The pre-Gini ratio keeping in view total
households is 0.41 and post-Gini ratio is 0.42, while the pre-Gini ratio keeping in view
households receiving remittances is 0.47and the post Gini ratio is 0.63.Gini coefficient
raises in percentage term 2.44 keeping in view total households and 34.04 percent,
while keeping only household receiving remittances.
It means that after inclusion of foreign remittances inequality increase and
income distribution is more worsen households receiving remittances. Similarly, it can
be seen that inequality of income raises more for households receiving remittances in
2005-06 and 2010-11 years. It can be concluded by comparing percentage variation in
HIES three data sets, that income distribution worsen due to the addition of
remittances in Pakistan. This study may conclude that foreign remittances have a
negative effect on the distribution of income.
Similarly, pre-post Gini ratios can be compared to urban areas in three selected
time periods. In case of urban areas in 2001-02, the pre-Gini ratio keeping in view total
households is 0.46 and post-Gini ratio is 0.48, while the pre-Gini ratio keeping in view
households receiving remittances is 0.45and post Gini ratio is 0.54.Gini coefficient
raises in percentage term 4.35 keeping in view total households and 20 percent, while
keeping only household receiving remittances. It means that after inclusion of foreign
remittances inequality increase and income distribution is more worsen households
receiving remittances. Similarly, it can be seen that the inequality of income raises
150
Table: 28 Chow Breakpoint Tests for Significant Differences in β Coefficients
Distributive Experiment F-statistical Probability
2001-02 Pre-post-Remittances( Pakistan) 1.16 0.33
2001-02 Pre-post-Remittances ( Urban) 2.44 0.11
2001-02 Pre-post-Remittances ( Rural) 2.49 0.11
2005-06 Pre-post-Remittances (Pakistan) 1.52 0.24
2005-06 Pre-post-Remittances ( Urban) 2.29 0.13
2005-06 Pre-post-Remittances (Rural) 2.16 0.14
2010-11 Pre-post-Remittances (Pakistan) 1.62 0.22
2010-11 Pre-post-Remittances (Urban) 4.68 0.02
2010-11 Pre-post-Remittances (Rural) 2.7 0.09
Source: Calculated by author
151
more for urban households receiving remittances in 2005-06 and 2010-11 years.
Moreover, study can also compare pre-post Gini ratios in rural areas in three
selected time periods. In case of in 2001-02 year, the pre-Gini ratio keeping in view
total households is 0.36 and post-Gini ratio is 0.39 while the pre-Gini ratio keeping in
view households receiving remittances is 0.44and the post Gini ratio is 0.68.Gini
coefficient raises in percentage term 5.87 keeping in view total households and 54.54
percent, while keeping only household receiving remittances. It means that after
inclusion of foreign remittances inequality increase and income distribution is more
worsen households receiving remittances. Similarly, it can be observed that inequality
of income raises more for rural households receiving remittances in 2005-06 and 2010-
11 years.
152
Table: 29 Comparisons for the Analyses of Total Households versus Remittances
Receiving Households.
Years HIES 2001-02 HIES 2005-06 HIES 2010-11
Pakistan
Keeping
in view
total
household
Keeping
in view household receiving remittances
Keeping
in view
total household
Keeping in
view
household
receiving
remittances
Keeping
in view
total household
Keeping
in view
household
receiving remittances
Pre Remittances Gini
0.41 0.47 0.42 0.37 0.38 0.36
Post Remittances Gini
0.42 0.63 0.55 0.49 0.56 0.46
Percentage
Variation
Gini ratio
2.44 34.04 3.95 32.43 47.37 27.78
Urban
Pre Remittances Gini
0.46 0.45 0.41 0.35 0.37 0.33
Post Remittances Gini
0.48 0.54 0.50 0.41 0.47 0.36
Percentage
Variation
Gini ratio
4.35 20 21.9 17.14 27.58 9.09
Rural
Pre Remittances Gini
0.36 0.44 0.38 0.38 0.35 0.36
Post Remittances Gini
0.39 0.68 0.55 0.55 0.47 0.52
Percentage
Variation
Gini ratio
5.87 54.54 44.82 44.74 34.29 44.45
Source: Calculated by Author
153
SUMMARY
This section of the chapter presents the summary of the dissertation related to
foreign remittances, economic growth and distribution of income. This part concludes
the discussion of the results regarding the research hypotheses presented in chapter 1.
This discussion surrounds with particular attention that finding related to hypothesis 3
is not supported. This chapter provides few policy implications related to the findings
of this dissertation. This part also illustrates the limitations of this dissertation and
provides recommendations for the directions of future research in this area.
The present dissertation is an attempt to contribute to explore the answer of an
important economic issue that whether the increase in foreign remittance inflow in
Pakistan contributes to its economic growth and somehow affect the income
distribution or not. For this purpose, this dissertation is built in two steps. To this end,
in the first step, this dissertation intends to test the first hypothesis that there exist
long-run relationship between foreign remittances and economic growth by using time
series data from 1972-73to 2012-13. In second step, the impact of foreign remittances
on income distribution has been assessed and compared by using three HIES surveys
for the years, 2001-02, 2005-06 and 2010-11 in case of Pakistan. The findings of the
study illustrate that foreign remittance inflows have a distinctive importance of
economy of Pakistan and vividly contribute to the economic growth and affect the
distribution of income.
Review of related literature has shown that no attempt has been yet explored on
the same nature of this study. However, some relevant studies have been reviewed,
154
which explored the impact of foreign remittances on growth. Similarly, few studies
have been reviewed on the impact of foreign remittances and the distribution of
income. While, most of the reviewed studies are related to the impact of remittances
on poverty alleviation. According to Quiz (2005), “in Pakistan foreign remittances
play a significant role in alleviating poverty, reducing inequality, giving impetus to
economic growth, development and reduce current account deficit since long”.
However, this research contributes to the existing literature by broadenings the scope
of this study and investigates the impacts of foreign remittances on both economic
growth and the distribution of income.
In the 1st step of this research study, in order to see the long run relationship
between the variables, along with main macro-economic variables like GNP, private
consumption, private investment and imports are included in the model. To this end,
available time series data for the period 1972-73 to 2012-13 is used. To conduct this
analysis, the ADF test for stationary of the variables has been applied. Johansen’s Co-
integration, of long run relationship and error correction model for short run
relationship among the above mentioned macro variables have been used.
The investigating test of the study shows that the model is well fitted and there
is no serial correlation. Ramsey’s RESET shows that the functional form is accurate.
Normality test also confirms that the data is normally distributed and the
heteroscedasticity test also supports and shows that there is no heteroscedasticity.
In this study ADF test is used to check the stationary of the main
macroeconomic variables which shows that all variables are stationary at first
155
difference with the constant and linear trend. This show that variables are integrated of
order I (1). So the study has been preceded with the Johansen’s co-integration
techniques and error correction model.
The test statistics of the Trace test and Max-Eigen value reveal that the null
hypotheses of no co-integration has been rejected, while, the other hypothesis that
there is at least one co-integrating vector has been accepted by the test at the 5 percent
level of significance. Accordingly, it is concluded that there is one co-integrating
relationship involving the variables LNGNP, LNCONs, LNIMP, LNINV and LNFR.
The presence of co-integrating vector shows that there exists a stable, long run
relationship between gross domestic production, consumption, imports, investment and
foreign remittances.
The analysis of the results of 2SLS indicates that variables which determine the
economic growth have expected signs. Hence foreign remittances, consumption and
investment positively affect the economic growth, whereas imports affects negatively.
Empirical findings indicate that foreign remittances have a positive effect on economic
growth and the 3rd most substantial effect on GNP i.e. 1.07. This means that 1 percent
increase in foreign remittances causes a 1.07 percent increase in GNP at the 1 percent
level of significance.
This analysis provides empirical support and also indicates positive long run
relationships between economic growth, consumption and investment. This is in line
with the general assertion that consumption and investments are the key components
of economic growth. On this estimation 1 percent increase in consumption leads to
increase in GNP by 1.10 percent at the 1 percent level of significance. Similarly, a
156
percent increase in investment leads to increase in GNP by 1.34 percent at the 1
percent level of significance. These relationships are inconsistent with economic
theory. Results indicate that imports have the negative long run relationship with the
economic growth, i.e. a percent of imports leads to decline in GNP by 0.17 percent.
However, this relationship is insignificant. This means that rising in imports deters
economic growth. Empirical evidence for a number of researchers also confirm these
relationships. The findings are consistent with the narrative of Mugal (2012), Ahmad
(2006) and Gilani, (1981).
Short run dynamics also contribute to the long-run relationship and indicate the
stability of the model. The short run dynamics indicate that the short run impact of
remittances, consumption and investment is positive and statistically significant.
Imports exert negative statistically significant effects on economic growth in the short
run and the size of negative effect on economic growth is weaker than long runs. GNP
increase 0.25, 0.12 and 0.04 percent as a result of 1 percent increase in consumption,
investment and remittances respectively. The short run coefficients of all variables are
smaller than long run estimates. This confirms that results of research studies are
reliable and efficient.
The coefficient of the Error Correction Term (ECT) provides information about
the speed of adjustment towards the long run equilibrium after a short run shock. The
estimate of the Error Correction Term, i.e. ECMt-1 bears the negative sign and
statistically significant at the 1 percent level of significance. The coefficient of ECMt-1
is -0.21, significantly different from zero, indicating the existing of error correction
mechanism and implying that the GNP, CONs, INV, IMP and FR converge to long run
157
equilibrium. The speed of adjustment of the equilibrium suggests that if a shock
inserted into the model 21 percent deviation is rather corrected within the first year.
This speed of adjustment is relatively slow. This confirms the long run established
relationship among the variables.
To understand the relationship among foreign remittances and the distribution
of income, two more hypotheses are tested in the 2nd step of this dissertation. For this
purpose, primary data HIES files were obtained from the Federal Bureau of Statistics
(FBS) than households and their income with and without remittances are sorted at
overall and the urban-rural level of analysis. Three HIES data are analyzed and
compared to SPSS and MS Excel by using different statistical techniques, like average,
percentage, Ordinary Least Square (OLS), Gini coefficient, Lorenz curves. Chow test
for structural stability has been applied to examine the data. The findings on the basis
of the above mentioned techniques are as under.
By analyzing and comparing the trend in the percentage distribution share of
household’s income and remittances, the study finds that migrants are not fairly
distributed among the quintile having income groups. The lowest income quintiles
actually produce one of the highest shares of total migrants in overall Pakistan and its
rural area, but however, in urban areas it is not the lowest. Findings of the 2nd step, of
the chapter No: 4 also show that foreign remittances may have no positive effect on
income distribution in Pakistan and in its Urban-Rural areas in the years 2001-02,
2005-06 and 2010-11. This study calculates and compares Gini ratios accompanied by
Lorenz curves for pre-post remittances incidence by using HIES data for the years
158
2001-02, 2005-06 and 2010-11, keeping in view remittances income imputed to the
total households belonging to different groups and keeping in view remittances
receiving households only. This research study finds that foreign remittances have
worsened the effect on income distribution in Pakistan and in its urban-rural areas in
all three selected time periods for both groups of households. This result is in favour of
the hypothesis: 2 of the study.
The study also shows when foreign remittances are included in income (while
keeping in view remittances income imputed to the total households belonging to
different groups) and the rise in Gini co-efficient, ranges between 4.35 to 44.74
percent in urban rural areas of Pakistan. On the other hand, the rise in Gini co-
efficient, ranges between 9.09 to 52.12 percent in urban rural areas of Pakistan in case
of analyzing the remittances receiving households only. However, the increase in Gini
ratios after incorporating foreign remittances in the analysis for both groups of
households in all three selected year have been larger in rural areas than that of urban
areas. This means that post-remittances income distribution has been more worsened
for rural areas comparatively. This result is against hypothesis: 3 of the study.
Gini ratios have also been calculated again by Ordinary Least Square method
(OLS) for Pakistan and its urban-rural areas for three selected time periods. These
ratios have also been increased in all cases, which support the results that income
distribution has been worsened in case of Pakistan.
The study also applies Chow breakpoint test for structural stability for both
groups of households. This test is used for knowing that two distributions under
examination are statistically significantly different from each other or not. The results
159
of the study show that most of the distributions are statistically significantly different.
However, some of the distributions are not statistically significantly different.
CONCLUSION
The findings of the first part of the dissertation enable us to have a good
appreciative of the impact study of foreign remittances on economic growth. The
quantitative evidences have shown that growth is positively related to foreign
remittances and there is a long run relationship among the variables during 1972-73 to
2012-13. The findings of the 1st part, of the chapter: 4 also support the first hypothesis
of the study there is relationship between economic growth, foreign remittances,
private consumption, private investment and imports in Pakistan. It is concluded in this
dissertation that the foreign remittances may impact positively on the economic growth
but is not fairly distributed among the income groups. So the remittances may improve
the economic growth and may not always improve the distribution of income and even
may contribute to income disparity in the country.
On the basis of the findings of the first part of the study, it may conclude that
foreign remittances appear to be a main source of short and long term sustainable
economic growth in case of Pakistan. Similarly, foreign remittances appeared to be an
significant cause of capital formation for economic growth presenting considerable
positive effect on components of growth. The findings of the study are also supported
by Mughal, (2012), Ahmad (2006), Sattar (2005) and Gilani, (1981).
Further on the basis of the findings of the 2nd part of the dissertation, the study
may conclude that foreign remittances have worsening effect on income distribution
because during data analysis, it has been observed that foreign remittances are not
160
distributed fairly, equally through the income groups. The numbers of the households
in the the different lowest income groups are very few in all three data sets as
compared to middle and upper class income groups. It may be concluded that it is due
to variation in the quantity of migrants formed by different income classes in the home
country and not differences in whichever migrant income abroad or marginal
propensity to remit that cause foreign remittances may have a negative effect on the
distribution of income. It may also be concluded on the basis of the results of the study
that due to high migration cost and risk lower income groups cannot afford to migrate
as compared to high income groups. These results are aligned with the migration
cumulative theory related to upper end classes and which is also applicable in
countries like Pakistan.
During the last decade, the economy witnesses’ remarkable growth rate due to
high capital inflow in the form of workers’ remittances which increase real wages.
However increase in wages and workers’ remittances is not spread evenly among
households belonging to lower and the lowest groups which seems to increase income
inequality. However, the income class from which migrants come appears to be the
most significant element in explaining that remittances increase income inequality
over time. Findings for distribution of income are contradictory with the findings of
some previous studies Adam, (1998) Richard and Brown, (2006) and Mughal and
Anwer, (2012).
The analysis of the results of the chapter five indicates that the distribution of
income is worsening, perhaps due to the distribution pattern of remittances among
different income groups lowest, lower. Moreover the findings of the study indicate that
161
foreign remittances are appeared to increase income inequality and more so in urban
areas than rural areas. The study also shows that the size or volume of foreign
remittances contributes to growing more rapidly in overall income inequality in
Pakistan. The findings of this dissertation consistent with the previous work of Lipton,
(1980), Adam, and Gilani, (1981).
At the end on the basis of the findings of this dissertation in chapter 4,
remittances versus economic growth analysis and in chapter 5, remittances verses
income distribution analysis, the study may conclude that foreign remittances have a
long run relationship with economic growth during 1972-73 to 2012-13. Whereas
foreign remittances have a negative effect on income distribution in Pakistan and its
urban-rural areas in three selected time periods. Perhaps, it may conclude that this is
due to increase in foreign remittances that economic growth has increased, which in
result increase national income as a whole, but the distributing it among the
households in Pakistan more or less in a pro-rich manner.
POLICY IMPLICATIONS
Keeping in view the findings of the dissertation, the study advocates that it is
imperative for Pakistan to maximize the benefits of labor migration and its resultant
foreign remittances. The empirical findings of the study are important for policy
makers and few policy recommendations are highlighted for their considerations.
Foreign remittances are an important source of external capital inflow that can
help in enhancing both economic and social development in Pakistan. Since evidence
from some component of the study also reveals that there is strong connection among
foreign remittances, economic growth, private consumption, private investments and
162
imports in the country. The analysis related economic growth is helpful for taking the
initiative and incentives for policy makers to support and stimulate migration in a way
to attract as much remittances as possible so as to maximize the benefit of foreign
remittances. During the financial year 2015-16, the growth rate target up to 5.5 percent
has been set by the experts. To achieve this target, the role of remittances is also
remarkable.
An important and relevant question arises, how Pakistan can attract and
maximize the benefit of foreign remittances? Firstly, the country needs to think about
adopting the institutions that facilitate in amplifying the positive economic growth
impacts of foreign remittances for sustainable development. The important tip is to
first to make the policies that formulate the entire implementation cheap, safe and
easy to collect foreign remittances. Encouraging impacts of foreign remittances on
economic growth are additionaly possible to take place when foreign remittances are
transmitted in proper channels. Pakistan must establish well-organized and helpful
proper channels for receiving foreign remittances.
Secondly, if Pakistan wants to enhance economic growth through investment,
financial sector policies may be taken care by policy makers. The financial sector may
be arranged independent authority to control the official transmission of foreign
remittances. Favorable cost structures for remitting money through financial sector
regulation can be considered. Government needs to devise its policy measures making
the system and channels of the remittances more convenient, expedient and productive.
The country may modify its immigration standards by exploring some of reciprocal visa
arrangements with neighboring countries. Moreover, the government may provide
163
incentives that make remitting money using official channels cheaper as compared to
the unofficial ones. It could be done by improving the banking services, quality and
accessibility of the remittances receiving households. Moreover, all migrants must be
properly and technically guided regarding the money transfer process such as opening
of bank accounts and sending money at home. Virtual and on-line arrangements would
be a hall mark in the process of facilitation.
Thirdly, by promoting the confidence of the immigrants and by providing more
lucrative investment opportunities to attract and forcing them to remit their earnings
into their home country. This will lead to an increase in the level of private investment
in the country leading to increase in output, employment opportunities and reducing
the import bills.
Fourthly, to encourage the use of foreign remittances in productive
investments, financial sector policies need also to be complemented with other policies
favouring for the increased use of foreign remittances in funding entrepreneurial
activities in the economy. There is a need of a policy for an effective and efficient
distribution system, that is, a vibrant financial system that can mobilize remittances.
Recipient households may be influenced to save their earnings so that the foreign
remittances can be disseminated to investment activities of the economy.
Fifthly, there is a dire need for policies that protect home industries even when
foreign remittances are used for consumption goods. Foreign remittances are possible
to have a positive growth effect for a home country when they are used to purchase
locally produced goods.
164
The findings of the second part of this dissertation are to focus on policy to
improve the distribution of income and reduce income inequality in Pakistan well as
in its urban-rural areas. For improving the distributional impacts of foreign
remittances, steps require to be used to facilitate poorer groups of the households to
have contact for employment opportunities in abroad. One measure as gauged from the
findings of the study is to focus on the income classes from which migrants came
would contribute to overall worsening the distribution of income.
Moreover, policies should emphasize and access lower and the lowest income
groups to enhance migration opportunities for them. Foreign remittances can improve
the distribution of income if the less privileged classes are also able to migrate. It
could be done by establishing migrants' network and migration centers” in urban- rural
areas to process visas, work contracts, and loan arrangements for prospective external
migrants. This would reduce the migrants, cost and risks by providing financial and in
kind assistance to lower and the lowest income groups migrants, as well as helping
them in arranging jobs for them abroad. So it is suggested that the system of migration
needs to be continued and regularized in Pakistan to improve its distributional effects
over time. The government may come into agreements such as the agreement signed
with Malaysia. The overseas missions should not only assist in getting jobs, but they
should also in touch with the issues like the exploitation of Pakistani workforce out of
the country. However, if migrants are from higher income classes, it might ultimately
aggravate income disparity.
Ministry of Labour and Manpower along with respective departments in
various provinces should chalk out some integrated policies for making our potential
165
and aspirant labour productive, efficient and effective for international markets
keeping the emerging domains of skills and capabilities in view. The focus on virtual
jobs should also be made to reap benefits of highly paid online-line jobs particularly in
services sector which is leading in the world.
FUTURISTIC VISION
This study highlights the importance of foreign remittances for the economy of
Pakistan and helps in understanding its role in accelerating economic growth and
affecting income inequality in Pakistan. Moreover, the foreign remittances have
significantly increased over the years since 2001. Further, since the mid- nineties
Household Income and Expenditures (HIES) Survey has been available and may be
utilized for determining the impact of remittances on the distribution of income and
growth. So further researches which may be required in this area are being
recommended for the future. Finally the2nd part of the dissertation has limited itself to
the impact of remittances on the distribution of income, but the analysis can be
extended a few steps further. The mixed findings of the 2nd part of the dissertation
invoke a question for future research that to see the role of remittances in the trends in
the distribution of income. Some sort of general equilibrium analysis can also be
employed.
This study has been conducted to see the long-run relationship among foreign
remittances on economic growth of Pakistan by using the interaction of five
macroeconomic variables. Replication of this study by including more variables may
be undertaken to extend the analysis. A great deal of research work is required to
166
explore such pattern of foreign remittances, which can acquire fairer distribution of
income in the country like Pakistan.
Present study opens the door for other researchers to conduct their research in
this field by using governmental huge data sources that is available with Federal
Bureau of Statistics. Moreover, they may also extend their study to see the impact of
foreign remittances on education, health and agriculture, etc. Following the
methodology of this study, the researchers intend to do work in this area may segregate
the analysis at provincial levels.
167
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APPENDICES
APPENDIX-A Some Concepts and Terminologies
Defining Income
Income often stands for the taxed income per individual or per household. Here
income inequality measures also can be used to compare the income distributions before and
after remittances in order to measure the effects of remittance income. (HIES 2010-11)
The Household
A household can be defined as a single person or a group of people who live together
as a single unit in the sense that they have common housekeeping arrangements; that is, they
have common provision for food and other essentials of living. Persons living in the same
dwelling, but having separate catering arrangements constitute a separate household. The
individual and the family are the subsets of a household. A household may consist of an
individual or a family or families or plus other persons, or contain only unrelated persons. A
ledger that usually lives in a household, but takes meals at a hotel, restaurant, etc, will
constitute a separate household. Whereas, a group of people living separately, but taken their
meals together will constitute a distinct household. (HIES 20010-11)
Household Income
It means material returns in cash or in kind in exchange for goods and services, etc.,
by household earners other than boarders, loaders and servants. The income of a household
may be classified into monthly and annual income in cash or in kind and imputed income.
Monthly income shall relate to wages, salaries, persons, contribution made by boarders and
lodgers and professional’s fees, etc. whereas yearly income shall refer to interest and
dividends, earning from agriculture actives, business commercial and industrial undertakings
land and property rents gifts and assistance (zakah) and relief in cash or in kind, bonus, social
and insurance benefits, etc. it also includes the remittance from other household remembers
who are permanently absent. (HIES 20010-11)
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Income in Cash
It means money receipts such as wages, salaries, rent from land and property, income
from self-employment, gifts (nazaran) assistance (zakah) etc. (HIES 20010-11).
Imputed Income
It is the estimated value of current market prices of the goods received by the
household for which no cash payment is made. Imputed income may comprise the estimated
value of home produced goods consumed by the household rent free dwellings, gifts and
assistance received in kind and provision of free meals by an employer. (HIES 20010-11)
Household Expenditure (HIES 20010-11)
It means the total expenses incurred in the survey year, whether or not payment was
made during the years. Similarly, payment made in the survey year on the purchases prior to
the survey year is not recorded as expenditure.
Income Distribution
The term "income distribution" is usually coined to "picture" who receives how much
income within a specific society.
Functional and Size Distribution of Income
To deal with the distribution problem analytically one to be very clear about these two
basic concepts. There are two principal concepts of income distribution encountered in the
literature: the functional and the personal or size distribution of income. The distinction
between the two has been elaborated below.
Functional Distribution of Income
A large part of theoretical literature has been erected around the concept of functional
distribution of income. The functional distribution shows how much income is received by
each factor of production. This is how total income is distributed between land, labor and
capital. Theories based on functional distribution consider the existence of only three groups
(or classes) in society: laborers, capitalists, and landowners, assuming within group
homogeneity. It elaborates the share of total national income that each factor of production
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receives. Process of functional income distribution requires the comparison the percentage that
labor receives as a whole with the percentage of total income distributed in the form of rent,
interest and profit. The actual process can be illustrated by the firm-individual relationship. At
first the flow from the firm to individuals, who are the owners of the factors employed. The
landlord receives his rent, the worker his wages, the investor his interest and profits.
The war of tug between entrepreneurs and workers springs from the conflict of
interests present among them. As, it is well known, the profit is the residual balance of the
activities of the firm or, saying more precisely, is the share of entrepreneurs. So, the quantum
of this residual depends upon the payments made to other factors, that is, if wage, rent and
interest rates are decreased (increased), the profit will be increased (decreased). Remember
that the profit also varies with the prices of commodities and services produces by the firm, but
it is not poining to be concentrated in our present discussion.
It is obvious from the interdependent nature of profit with other rewards that the
willingness of entrepreneur to hire factors of production in such proportion, which gives him a
larger share in the enterprise, plays a major role in the distribution of rewards. The theory that
explains the extent of the willingness of entrepreneur in hiring factors of production is termed
as “marginal productivity theory of factor prices.” This theory elaborates that factor will be
rewarded well or ill according to its contribution to the total product or revenue of the firm.
Formally, marginal productivity theory can be defined as the increase in total revenue
or total output of the firm resulting from the employment of an additional (last) unit of the
factor. The specification of the term additional unit with the ‘last unit’ necessitate that the
marginal unit of the factor is the unit the entrepreneur has just hired, in an expanding industry;
or is about to discard in a contracting industry.
It is clear that the demand for factors is created by entrepreneurs in the factors market
and this demand is a derived demand, which arises not due to the factors are demanded for
themselves, but for what they can create: goods and services. This process bestows the
entrepreneur maximum profit through the channel of last cost combination of the factors and
the greater revenue from the sale of these goods and services. So, if demand for final goods
and services. So, if demand for final goods and services produced by a firm is higher (lower)
than the demand for the factors producing those goods and services by the firm will be higher .
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Size Distribution of Income
On the other hand, the size distribution of income shows how many individuals
(or households) receive how much income. This is how total income, from all sources, is
distributed among individuals or households. Other concepts of income distribution sometimes
used in the analysis of income inequality are those which make a distinction between urban
and rural areas as well as interregional or interstate differentials. However, the theoretical
debate about income inequality has been focused on the concepts of functional and size
distribution of income.
There are many criticisms of the marginal productivity theory; but we explore those,
which serve our purpose of shifting the discussion from functional to the size distribution of
income. To judge a country’s performance, empirical verification by using facts and figures is
unavoidable, marginal productivity theory of distribution on the other had possessed mostly
theorizing style and very little bother for empirical verification.
Hence, functional distribution is less helpful in an empirical work of our type,
especially, where horizontal and vertical equity are the objectives of a national government.
Furthermore, grouping of factors with different incomes is also difficult. For example, groups
of workers with identical skills, who are paid alike, difficult to construct practically due to the
difficulty of identifying better and worse workers with common skill. So some workers in that
skill will be paid more; some will be paid less than their actual individual marginal products.
Similar difficulties can be seen in the grouping of workers of a given sex, age and educational
qualification in a particular industry, where firms may pay these groups same wages.
Especially, in the beginning due to the problem of accurately measuring the marginal products
of individuals.
All the above problems can be avoided by adopting the idea of size distribution,
particularly, when one wants to judge empirically the effect of government programme upon
different income groups of the society as a whole. Concept of size distribution of income also
bestows the researchers different tools; like, Lorenz curve and Gini concentration ratio, for
examining the degree of fair of worse distribution of income. Needless to say, the above
outcomes of the concept of size of distribution of income have made easy to examine the
poverty conditions of a country at an aggregate level.
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Playing the final round against functional distribution of income, a person may be the
employee of a firm but, at the same time, he is earning interest from his investment or he may
have inherited property that can comprise many forms. For example, fertile land, commercial
land, residence building given on rent etc. so it will be difficult to categories him rightly.
The only solution is to divide all individuals not on the basis of their sources of
earning but on their earning. This above notion leads us to a precise definition of personal or
size distribution of income, which can be defined as, “It is a measure that solely deals with
individual person or households and the total earning they receive, while ignoring their sources
of income”. It means that no matter the incomes in the pockets of persons or households are
derived from employment only or from other different sources like profits, rents, interest,
inheritance, gifts and so forth, they are grouped according to their quantum of incomes and not
according to the different channels by which their earnings move into their pockets.
Also, the occupational sources of earning like trade, manufacturing, agriculture,
services and the spatial consideration or location are shrugged off. Moreover, number of
working hours, sex, age, educational qualification, skill, experience, status and other items of
these types deserve no attention. For example, if a person A is more qualified than a person B,
but they possess same quantum of earning, then they will be adjusted in the same group
irrespective of the difference in their qualification. Same is the case with other items.
The procedure of constructing a size distribution of income for a country is very
simple. Firstly, different income groups, each having some particular income ranges, are
ordered in ascending fashion. And then, according to their personal incomes, all individuals or
households are adjusted in different income groups, having definite income ranges. This
process gives a column of income groups in ascending order. The second column is of
personal income, which is usually taken in percentage; this column determines what
proportion of total national income each income group receives.
A-1 Theories of Income Distribution
General Theories of Income Distribution
If some agreement arises from all the debates about distribution of income along the
history of economic thought this is that there is no agreement among economists about which
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are the determinants of income distribution. The main reason is that the distribution of income
is the final result of the entire economic process (Bigsten, 1983), and it is well known that
there is a lack of unanimity of views even on general economic issues of that process, which
makes it logical to expect no agreement on a topic that has been the source of ideological wars
and political revolutions (Sahota, 1978). A theory of income distribution needs a theory which
explains the prices of factor of production and factor shares that would explain the factorial
distribution of income. "Most theories conceive the central problem of income distribution
as the determination of the level of employment and remuneration of the factors of production,
usual y grouped into capital and labor. They differ mainly in their assumptions about market
behavior and the way in which wages and product prices are determined" (Ahluwalia and
Chenery, 1983, p. 43). But a theory of size, income distribution needs to explain also the
distribution of the ownership of factors among households (Knight, 1976). Some theories fail
in going further than the functional distribution of incomes. The classical period
was characterized by focusing only on the functional distribution. Adam Smith devoted his
work to the causes of wealth and discussed the division of what was produced between wages,
rent, and profit, but he did not develop a theory about the determinants of such distribution.
David Ricardo was the one who placed the distribution of income at the center of his thought.
According to Ricardo, the Political Economy was aimed at determining the laws that rule the
distribution of income (Bigsten, 1983; Ferrán, 1997). "He was the first economist to derive a
meaningful income distribution, theory" (Bigsten, 1983, p. 4). The productive factors are land,
capital and labor, and total income is distributed according to rent, profits and wages. The
basic idea in Ricardian thought is that a differential rent is produced only when less fertile
lands are exploited requiring more capital and/or labour leading to a rise in the price of
agricultural products. As a consequence, the owners of the most fertile lands receive an
increased rent. This is why Ricardo insisted that the increase in rent is not a cause but a
consequence of wealth (Ferrán, 1997). In the Ricardian system, distribution is prior to
exchange, thus income distribution does not depend on demand for final products (Bigsten,
1983).The distribution of total income works as follows: the surplus over the production costs
(output value) constitutes the rent and the rest is distributed between profits and wages. "The
Ricardian system accepts a Malthusian unlimited supply of labor at the subsistence wage in the
long-run; it assigns to 'profits' the residual between the marginal product of labor at a14 point
in time and the subsistence (or institutional) wage, and at ributes to landlord rent the remaining
residual in total output value" (Cline 1975, p. 360). Since land is not unlimited and not
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equally fertile, in the long-run, according to this theory, the share of profits tends to fall while
rent and wage shares tend to rise (more labor is required), although the real wage is kept at
subsistence level. According to Ricardo, this distribution in favour of the landlords prevents
economic growth acceleration and the economy would tend to stagnate, since he regarded
landlords as spendthrifts and thought that economic growth was financed by the savings of the
capitalists. Moreover, he proposed reducing restrictions on imports and introducing
technological innovations without increasing the proportion of labor and keeping wages at
subsistence level in order to achieve rapid economic growth (Gil is, Perkins, Roemer,
Snodgrass, 1987). This proposition reveals his view that economic growth requires not
only redistribution from landlords to the capitalists, but also stressing inequality between
profits and wages. The Ricardian theory focuses on the conflict between rent and profits. Later
on, this focus shifts to the conflict between profits and wages especially with Marx's view.
Since Karl Marx regarded the main class conflict to be between capitalists and workers, he
only considered two sources of income: profits and wages. Although Marx recognized that
rent, benefits and interests were also sources of income, he assumed that these types of income
were received only by one class: the capitalists (Ferrán, 1997). Marx uses the Ricardian
"labor theory of value" to diagnose exploitation of workers (Cline, 1975). Like Ricardo, he
assumed an unlimited labor supply which al owed the capitalists to hold down the wages at a
subsistence level. But the labor surplus was possible through the existence of a "reserve
army of labor" that capitalists were stimulated to maintain through labor displacing
innovations in order to achieve the profit rate level that capital accumulation requires.
Marx refused to accept the Malthusian theory that demographic forces created the
labor surplus (Gil is, Perkins, Roemer, Snodgrass, 1987). In the Marxian theory, the structure
of the distribution of incomes is strongly linked to the structure of the production relations.
Therefore, a change in the structure of distribution can only happen as a result of a change in
the production conditions. According to Marx, capitalism constantly reproduces its production
relations and therefore the laws that rule the corresponding distribution of income. For this
reason, the economic position of the working class can only improve when capitalism itself col
apses. He saw the industrial concentration as the result of the tendency for the profit rate to
fall, leading to cyclical crisis until a final apocalyptic crisis. (Cline, 1975; Bigsten, 1983). "In
the Marxian long-run the system col apses due to declining wages (whether declining
absolutely or only relatively to capitalist income is unclear) and intolerable worker poverty in
the face of capitalistic accumulation" (Cline, 1975, p. 361). Opposite to the Marxian theory in
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many aspects, the neo-classical or marginal productivity theory postulates that all factors of
production are in scarce supply and all of them creating value vi. This refutes the Marxian
view that only labour creates value. The product value is explained by the marginal
utility which also explains the remuneration of factors. They generalized the marginal
productivity as the basis for payment of all factors, eliminating the attribution of residual
income to any one factor. This view is based on the principle that the producers maximize their
benefits, and this point is only reached when al factor payments equalize their corresponding
marginal productivity. Thus, the distribution of income is regarded as part of the general
pricing process in the economy. In this way, the demand of factors depends on product
demand, this is, and the demand of factors is derived from product demand. The prices of
factors and goods are assumed to be determined by market forces. Also,
factor substitutability is assumed so that the rise in one factor supply decreases its relative
price. Therefore, the neo-classical theory of distribution is based on production functions and
elasticity’s of substitution (Cline, 1975; Bigsten 1983; Ferran, 1997). Explaining the functional
distribution, the neo-classical view helps to explain the size distribution of income. "The
sum of payments to the factors of production possessed by an individual determines his
income" (Bigsten, 1983, p. 5). Thus, the changes in the functional 15 distribution and, as a
consequence, in the size distribution of income over time can be explained by changes in
relative factor supplies, elasticity of substitution between factors, changes in product demand,
and the capital or labor saving bias in technological change (Cline, 1975). While the
neo-classical theory uses the marginal productivity of factors to explain income distribution,
the Keynesian economics, base its view on marginal propensities to save. According to Ferrán
(1997), Nicholas Kaldor establishes this view, stating that the profit share of total income is
determined by macroeconomic forces which assure that capitalist’s expenditures on
consumption produce benefits to finance those expenditures. This is, as quoted
by Kurz (1994), assuming that only capitalists are net savers, a given amount of profits can
only materialize if there is a corresponding amount of net investment and capitalists'
consumption. Kaldor's model assumes that there are only two classes: capitalists and workers.
Each class has a specific propensity to save -workers' lower than that of capitalists. In this
model, the ratio of investment to national income is an exogenous variable which does not
depend on changes in the propensities to save. Then, under full employment condition,
equalizing saving and investment yields the only one possible distribution of total income
193
between wages and profits (Cline, 1975; Bigsten, 1983). The profit share in total income
is expressed by the equation P/Y = [1/(sp - sw)][(I/Y) - sw] (1)
Where P are profits, I investment, Y total income, sp and sw are the propensities to save of
capitalists and workers respectively, being sw < sp (See Ferran 1997, pp. 248-249). Assuming
that both propensities to save are given, the profit share is determined by the rate of
investment. The coefficient 1/(sp - sw) measures the changes in the distribution of income due
to a unit change in the investment rate. The smaller the difference between sp and sw the
greater the impact of changes in the investment rate on income distribution. Assuming sw very
small, nearly zero,the equation (1) leads to P = (1/sp)I (2)
This last proposition shows clearly Kaldor's view on capitalists' consumption, stated
above . Therefore, according to Kaldor's model, there is a specific distribution between wages
and profits that makes savings equal to investment. An increase in investment forces an
increase in savings to restore equilibrium. Since capitalists are assumed to have a
higher propensity to save, the equilibrium can only be restored by increasing profits through an
increase in the price level (Knight, 1976). This suggests a positive relationship between
economic growth and inequality in the factorial distribution of income. Cline (1975) points out
a couple of basic flaws in Kaldor's model. The assumption that there are only two
class’s makes its application extremely restricted, since it becomes undetermined considering
three or more classes. Also, an exogenously given investment is not well justified While
Kaldor built up his model focusing on profit share; Michal Kalecki proposed a model based on
the Marxian view focused on the wage share in which he uses monopoly analysis. In his
microeconomic analysis Kalecki uses the Lerner definition of the "degree of monopoly": μ =
(p -m)/p, where p is product price and m is the marginal cost. "If marginal cost is equal to
marginal revenue, μ is equal to the inverse of the elasticity of demand for the product of the
enterprise" (Kalecki, 1951, p. 19). In Kalecki's model the components of variable costs are raw
material and labor costs. Aggregating for a closed economy, Kalecki shows that labour share
varies negatively with the "average" degree of monopoly power in the economy (Cline, 19775;
Bigsten, 1983). So, according to the relationship between the degree of monopoly and the
elasticity of product demand stated above, this means that the lower the product demand
elasticity, the lower the share of wages in value added. Thus, this model suggests that
economic growth relied on a growing monopoly power in the economy would lead to an
increasing gap between wage and profit shares in total income. Kalecki's model faces the
194
difficulties of building up a macroeconomic theory of distribution based on
microeconomic elements without paying attention to aggregation problems. For example,
Ferran (1997) argues that at microeconomic level it is plausible to16 assume a given factor
supply at a given price, while at macroeconomic level some limitations may arise by factor
availability.
Theories of Size Income Distribution
The foregoing theories are aimed at explaining the functional distribution of income
rather than the size distribution of income. Therefore, they are of limited value in analyzing the
governmental action. According to Ahluwalia and Chenery (1983), because most of the wage
earners belong to the middle-income groups is the reason why policies affecting the
distribution between wages and profits mainly concern the upper end of the size distribution.
Although, the neo-classical theory makes some contribution in understanding the determinants
of the size distribution of incomes, differences in factor endowments seem not to be enough to
explain the large inequalities in developing countries, particularly in Latin America. It would
be necessary to explain also how these differences in endowments were created. A number of
theories of size income distribution have been developed. According to Sahota (1978) the set
of theories of personal income distribution can be classified into two basic groups. One group
ranges from those theories developed by economists who believe that income inequalities are
largely a consequence of voluntary choice to those in which inheritance and institutions
play the main role. The other, which Sahota (1978) calls the "fatalist" group, is constituted
by three schools: a) theories based on the premise that incomes are distributed among
individuals according to abilities which are genetically determined; b) Theories that postulates
that income inequalities are largely determined by chance, luck and stochastic factors; And
c) the life-cycles theories which give high relevance to the age effect on earning capacities.
The theory presented by Milton Friedman is referred to as the individual choice theory
in which stochastic influences are combined with optimizing behavior on behalf of the
individuals (Bigsten, 1983). According to Friedman, being risk-taker is what explains that a
small group in society can receive a large proportion of total income since, as in the lottery, the
amount of money that many can lose is small in comparison with the large amount that a few
individuals can win (Ferran, 1997). The risk adverse individual will take less risky choices. As
a consequence, a society composed of risk averse individuals will generate less inequality than
195
one composed of risk-taking individuals. This theory suggests that the rich are risk-taking
while the poor are risk averse individuals. However, Ferran (1997) refers to the
work by Stanley Lebergot (1959) who tests Friedman's model using data from USA and finds
that the group who takes the most risky investments is not the richest but the small investors
expecting a windfall. Moreover, in most countries (developed or developing), gambling seems
to be supported by the low income groups who expect through a windfall to improve their
economic position. Cline (1975) and Sahota (1978) highlight the
work by Mincer (1958) among those economists who support the human capital approach.
This approach focuses on the explanation of job earning differentials. "Mincer's human capital
model is based on the idea that occupations requiring longer training periods
pay higher earnings to compensate for the foregone income during training. More precisely, all
individuals are assumed to choose among occupations such that the present discounted value
of earnings is equated among all occupations. .al incomes are in reality equal. Observed
differences are merely statistical illusions stemming from the fact that the high income
individual has been on the job a shorter time than his low income cohort" (Cline 1975, pp.
365-366). There are two general objections to this model. First, it focuses only on job earning
differentials as the main source of income inequality, disregarding the effects of other sources
such as holding assets. Second, it over emphasizes the impact of schooling on earning
differentials, but disregards the effects of sex, race and family background on schooling
achievement which could limit the range of real choices that individuals have.
Another interesting approach within the context of the job earning differentials is the "job
competition" model at rebuttable mainly to Thurow (1972, 1975) (Cline, 1975; Bergsten,
1983). According to this model "wages are paid based on the characteristics of the job in
question and workers are distributed across job opportunities based on their relative17 position
in the labour queue" (Cline 1975, p. 367). Bigsten (1983) argues that the position of a
worker in the queue should be dependent on the potential cost of training the worker which
may be determined using some screening device such as education. The job competition
approach refutes the assumption that the labour market determines the wage level. Wages are
not set by the marginal product of the worker associated with his/her previously acquired
education level, but by the marginal product associated with the skills he/she learns on the job.
As a consequence, people with identical levels of education may be paid different wages. This
theory disregards that how rapid workers can learn skills on the job might depend in some
degree on the level of education previously achieved, which in turn depends on several
196
other factors such as family background. So, according to the job competition view, expanding
education would not tend to equalize income distribution. The effect of education expansion
would be only to increase the admission requirements for obtaining jobs, while expanding job
opportunities would have a more effective equalization impact. Abilities and stochastic forces
have also been used as explanations for inequalities in the distribution of income. Differences
in abilities explains differences in worker's productivity and as a consequence differences in
income, while other theories regard stochastic forces as responsible for the skewed shape of
the personal distribution of incomes. However, these views give little help for explaining the
determinants of income inequality and for policy making aimed at changing the distribution of
income. (For details about these theories, see Sahota, 1978, and Bigsten, 1983,).
The theories previously discussed are concerned mainly with the distribution of
earnings. They neglect an important source of income which is property. Sahota (1978) points
out those property incomes are more unequally distributed than earnings and that inheritance is
the major source of property class perpetuation. Hence, a theory of distribution that neglects
property incomes will tell only part of the story. The personal-income-distribution theory of
inheritance takes account of property incomes. Sahota (1978) and Bigsten, (1983) summaries
the view of inheritance, at rebuttable to Meade (1964, 1976), as consisting of a bundle of
four major endowments: genetic make-up, parental level of education and training, social
contacts, and inherited property itself. The mutual interaction of these endowments affects
incomes, savings and accumulation, so inequality in these endowments explains differences in
income.
This brief survey shows that the ideal theory able to explain simultaneously the
determinants of factor prices, functional shares and the size distribution of income does not
exist. Although the theory of inheritance considers the property incomes, the missing element
from all those theories is an explicit treatment of the distribution among households of the
various forms of assets such as land, privately owned capital, access to public goods, and
human capital. Ahluwalia and Chenery (1983) coincide with Sahata’s (1978) view that the
distribution of assets is more unequal than the distribution of earnings. Also, Deininger and
Squire (1997) refer to six developing countries in which inequality in the distribution of land is
greater than that in the distribution of incomes. Ahluwalia and Chenery (1983) associate the
variations in income at the lower levels with the lack of human skills, physical capital and
access to them. Attansasio and Sekely (1999) document that income inequality in Latin
197
America is, to a large extent, a reflection of a very skewed distribution of income generating
assets. Therefore, asset distribution cannot be disregarded when assessing the effects of
economic growth on income inequality.
A-2 Properties of Inequality Metrics
In the economic literature on inequality four properties are generally postulated that
any measure of inequality should satisfy.
Anonymity
An inequality metric is a statement about how income is distributed, not about who the
particular people in the economy are or what kind of income they deserve.
Scale Independence
This property says that richer economies should not be automatically considered more
unequal by construction. In other words, if every person’s income in an economy is doubled
(or multiplied by any positive constant) then the overall metric of inequality should not
change, off-course the same thing applies to poorer economies. The inequality income metric
should be independent of the aggregate level of income.
Population Independence
Similarly, the income inequality metric should not depend on whether an economy has
a large or small population. An economy with only a few people should not be automatically
judged by the metric as being more equal than a large economy with lots of people. This
means that the metric should be independent of the level of population.
Transfer Principle
The Pigou-Dalton, or transfer principle, is the assumption that makes an inequality
metric actually a measure of inequality. In its weak form it says that if some income is
transferred from a rich person to a poor person, while still preserving the order of income
ranks, then the measured inequality should not increase. In its strong form, the measured level
of inequality should decrease.
A-3 Common Income Inequality Metrics
198
Gini Index
The range of the Gini index is between 0 and 1 (0% and 100 %) where 0 indicates
perfect equality and 1 (100%) indicates maximum inequality.
The Gini index is the most frequently used inequality index. The reason for its popularity is
that it is easy to understand how to compute the Gini index as a ration of two areas in Lorenz
curve diagrams. As a disadvantage, the Gini index only maps a number to the properties of a
diagram, but the diagram itself is not based on any model of a distribution process. The
“meaning” of the Gini index only can be understood empirically. Additionally the Gini does
not capture where in the distribution the inequality occurs. As a result two very different
distributions of income can have the same Gini index.
20:20 Ratio
The 20:20 or 20/20 ratio compares how much richer the top 20% of populations are to
the bottom 20% of a given population, this can be more revealing of the actual impact of
inequality in a population, as it reduces the effect on the statistics of outliers at the top and
bottom and prevents the middle 60% statistically obscuring inequality that is otherwise
obvious in the field. The measure is used for the United Nations Development Programmer
Human Development Indicators. The 20 : 20 ratio for example shows that Japan and Sweden
have a low equality gap, where the richest 20% only earn 4 times the poorest 20% , whereas in
the UK the ratio is 7 times and in the US 8 times. Some believe the 20:20 ratio is a more useful
measure as it correlates well with measure of human development and social stability
including the index of child well-being, index of health and social problems, population in
prisons, physical health, mental health and many others.
Palma Ratio
The Palma ratio is defined as the ratio of the richest 10% of the population’s share of
gross national, income divided by the poorest 40 %’s share. It is based on the work of Chilean
economist Gabriel Palma who found that middle class incomes almost always represent about
half of gross national income while the other half is split between the richest 10% and poorest
40% but the share of those two groups varies considerably across.
199
The Plama ratio addresses the Gini index’s over-sensitivity to changes in the middle of
the distribution and insensitivity to changes at the top and bottom, and therefore more
accurately reflects income inequality’s economic impacts on society as a whole. Palma has
suggested that distributional politics pertains mainly to the struggle between the rich and poor,
and who the middle classes side with.
Hoover Index
The Hoover index is a simplest of all inequality measures to calculate: it is the
proportion of all income which would have to be redistributed to achieve a state of perfect
equality. In a perfectly equal world, no resources would need to be redistributed to achieve
equal distribution: a Hoover index of 0. In a world in which all income was received by just
one family, almost 100% of that income would need to be redistributed (i.e., taken a given to
other families) in order to achieve equality. The Hoover index then ranges between 0 and 1
(0& and 100%) where 0 indicate perfect equality and 1 (100%) indicates maximum inequality.
Thiel Index
A Thiel index of 0 indicates perfect equality. A Thiel index of 1 indicates that the
distributional entropy of the system under investigation is almost similar to a system with an
82:18 distribution. This is slightly more unequal than the inequality in a system to which the
“80:20 Pareto principle” applies. The Thiel index can be transformed into an Atkinson index,
which has a range between 0 and 1 (0% and 100%), where 0 indicates perfect equality and 1
(100%) indicates maximum inequality.
A-4 Households Integrated Economic Survey (HIES) DATA
Since 1963, HIES has been conducted with some breaks, In 1990 HIES questionnaire
was revised to reflect the integration of HIES with the Pakistan Integrated Household Survey
(PIHS). After this HIES was conducted as an integrated Survey with PIHS in 1998-99 and
2001-02. Subsequently the survey was renamed in 2004 as Pakistan Social and Living
Standards Measurement (PSLM) Survey and the same module of HIES remain in contact. In
PSLM, (District level) Survey and PSLM/HIES (National/ Provincial level) Survey are
conducted on alternative years. Three rounds of HIES were conducted during 2004-05.2005-
06 and 2007-08. Last round of HIES was conducted in 2007-08 and after the revision of PC-1
which was extended to 2015, The next round was planned to be conducted in year 2009-10,
200
but due to technical as well as administrative reasons the survey could not to be conducted.
During the year 2010-11 the PSLM District level survey was scheduled but considering the
requirement of Government of Pakistan and urgency of HIES data it was decided in
consultation with the Planning and Development Division to carry out the HIES survey along
with the PSLM District level Survey during the financial year 2010-11.
201
APPENDIX-B Unit Root Testing
B1. Private Consumption Series
Table B-1.1
Unit Root Testing at Level
Null Hypothesis: LNCONs has a unit rootExogenous: Constant, Linear TrendLag Length: 0 (Automatic based on SIC, MAXLAG=9)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -2.766545 0.2181Test critical values: 1% level -4.234972
5% level -3.54032810% level -3.202445
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test EquationDependent Variable: D(LNCONs)Method: Least SquaresDate: 04/01/14 Time: 11:37Sample (adjusted): 1977 2012Included observations: 36 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
CONs(-1) -0.328773 0.118839 -2.766545 0.0092C 4.648955 1.659433 2.801532 0.0084
@TREND(1976) 0.015377 0.005740 2.678830 0.0114
R-squared 0.196660 Mean dependent var 0.050649Adjusted R-squared 0.147973 S.D. dependent var 0.042328S.E. of regression 0.039071 Akaike info criterion -3.567195Sum squared residual 0.050377 Schwarz criterion -3.435235Log likelihood 67.20951 Hannan-Quinn critter. -3.521138F-statistic 4.039249 Durbin-Watson stat 1.660437Prob(F-statistic) 0.026967
Source: Calculations are based on computer software Eviews-6
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Table B-1.2
Unit Root Testing at 1st difference
Null Hypothesis: D(LNCONs) has a unit rootExogenous: Constant, Linear TrendLag Length: 0 (Automatic based on SIC, MAXLAG=9)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -5.244529 0.0008Test critical values: 1% level -4.243644
5% level -3.54428410% level -3.204699
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test EquationDependent Variable: D(CONs,2)
Method: Least SquaresDate: 04/01/14 Time: 11:39Sample (adjusted): 1978 2012Included observations: 35 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
D(CONs(-1)) -0.923514 0.176091 -5.244529 0.0000C 0.055485 0.018801 2.951136 0.0059
@TREND(1976) -0.000450 0.000736 -0.611520 0.5452
R-squared 0.462457 Mean dependent var -0.000278Adjusted R-squared 0.428860 S.D. dependent var 0.058002S.E. of regression 0.043834 Akaike info criterion -3.334988Sum squared residual 0.061486 Schwarz criterion -3.201673Log likelihood 61.36229 Hannan-Quinn critter. -3.288968F-statistic 13.76504 Durbin-Watson stat 1.867607Prob(F-statistic) 0.000049
Source: Calculations are based on computer software Eviews-6
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B2. Import Series
Table B-2.2
Unit Root Testing at level
Null Hypothesis: LNIMP has a unit rootExogenous: Constant, Linear TrendLag Length: 0 (Automatic based on SIC, MAXLAG=9)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -2.634082 0.0408Test critical values: 1% level -4.234972
5% level -3.54032810% level -3.202445
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test EquationDependent Variable: D(LNIMP)Method: Least SquaresDate: 04/01/14 Time: 11:43Sample (adjusted): 1977 2012Included observations: 36 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
LNIMP(-1) -0.619862 0.170569 -3.634082 0.0009C 7.945054 2.175622 3.651854 0.0009
@TREND(1976) 0.025387 0.007595 3.342692 0.0021
R-squared 0.287073 Mean dependent var 0.062277Adjusted R-squared 0.243865 S.D. dependent var 0.255580S.E. of regression 0.222243 Akaike info criterion -0.090440Sum squared residual 1.629928 Schwarz criterion 0.041520Log likelihood 4.627913 Hannan-Quinn critter. -0.044382F-statistic 6.644016 Durbin-Watson stat 2.103245Prob s(F-statistic) 0.003761
Source: Calculations are based on computer software Eviews-6
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Table B-2.2 Unit Root Testing at 1st Difference Null Hypothesis: D(LNIMP) has a unit root Exogenous: Constant, Linear Trend Lag Length: 0 (Automatic based on SIC, MAXLAG=9)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -9.407273 0.0000 Test critical values: 1% level -4.243644
5% level -3.544284 10% level -3.204699
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test Equation Dependent Variable: D(LNIMP,2) Method: Least Squares Date: 04/01/14 Time: 11:27 Sample (adjusted): 1978 2012 Included observations: 35 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
D(LNIMP(-1)) -1.480859 0.157416 -9.407273 0.0000 C 0.076597 0.088530 0.865217 0.3934
@TREND(1975) 0.000711 0.003930 0.180930 0.8576
R-squared 0.734544 Mean dependent var 0.008864 Adjusted R-squared 0.717953 S.D. dependent var 0.442197 S.E. of regression 0.234842 Akaike info criterion 0.022011 Sum squared residual 1.764828 Schwarz criterion 0.155327 Log likelihood 2.614806 Hannan-Quinn critter. 0.068032 F-statistic 44.27362 Durbin-Watson stat 2.186781 Prob(F-statistic) 0.000000
Source: Calculations are based on computer software Eviews-6
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B3. Private Investment Series Unit Root Testing at level
Null Hypothesis: LNINV has a unit root Exogenous: Constant, Linear Trend Lag Length: 0 (Automatic based on SIC, MAXLAG=9)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -1.785534 0.6908 Test critical values: 1% level -4.234972
5% level -3.540328 10% level -3.202445
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test Equation Dependent Variable: D(LNINV) Method: Least Squares Date: 04/01/14 Time: 11:45 Sample (adjusted): 1977 2012 Included observations: 36 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
LNINV(-1) -0.136542 0.076471 -1.785534 0.0834 C 1.812554 0.974662 1.859674 0.0719
@TREND(1976) 0.003218 0.003018 1.066141 0.2941
R-squared 0.151817 Mean dependent var 0.039370 Adjusted R-squared 0.100412 S.D. dependent var 0.071926 S.E. of regression 0.068219 Akaike info criterion -2.452520 Sum squared residual 0.153578 Schwarz criterion -2.320560 Log likelihood 47.14536 Hannan-Quinn critter. -2.406462 F-statistic 2.953358 Durbin-Watson stat 1.893015 Prob(F-statistic) 0.066081
Source: Calculations are based on computer software Eviews-6
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Table B-3.2
Unit Root Testing at 1st Difference
Null Hypothesis: D(LNINV) has a unit rootExogenous: Constant, Linear TrendLag Length: 0 (Automatic based on SIC, MAXLAG=9)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -5.717836 0.0002Test critical values: 1% level -4.243644
5% level -3.54428410% level -3.204699
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test EquationDependent Variable: D(LNINV,2)Method: Least SquaresDate: 04/01/14 Time: 11:46Sample (adjusted): 1978 2012Included observations: 35 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
D(LNINV(-1)) -1.002886 0.175396 -5.717836 0.0000C 0.080369 0.029128 2.759123 0.0095
@TREND(1976) -0.002110 0.001249 -1.689203 0.1009
R-squared 0.505443 Mean dependent var 0.000887Adjusted R-squared 0.474533 S.D. dependent var 0.098897S.E. of regression 0.071690 Akaike info criterion -2.351124Sum squared residual 0.164461 Schwarz criterion -2.217809Log likelihood 44.14467 Hannan-Quinn critter. -2.305104F-statistic 16.35218 Durbin-Watson stat 1.979193Prob(F-statistic) 0.000013
Source: Calculations are based on computer software Eviews-6
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B4. Foreign Remittances Unit Root Testing at level
Null Hypothesis: LNFR has a unit root Exogenous: Constant, Linear Trend Lag Length: 0 (Automatic based on SIC, MAXLAG=9)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -2.331246 0.4074 Test critical values: 1% level -4.234972
5% level -3.540328 10% level -3.202445
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test Equation Dependent Variable: D(LNFR) Method: Least Squares Date: 04/01/14 Time: 11:49 Sample (adjusted): 1977 2012 Included observations: 36 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
LNFR(-1) -0.131130 0.056249 -2.331246 0.0260 C 1.558345 0.576635 2.702480 0.0108
@TREND(1976) 0.002427 0.005307 0.457416 0.6504
R-squared 0.190519 Mean dependent var 0.117761 Adjusted R-squared 0.141460 S.D. dependent var 0.262462 S.E. of regression 0.243191 Akaike info criterion 0.089713 Sum squared residual 1.951675 Schwarz criterion 0.221673 Log likelihood 1.385171 Hannan-Quinn critter. 0.135770 F-statistic 3.883430 Durbin-Watson stat 1.191412 Prob(F-statistic) 0.030578
Source: Calculations are based on computer software Eviews-6
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Table B-4.2 Unit Root Testing at 1st Difference
Null Hypothesis: D(LNFR) has a unit root Exogenous: Constant, Linear Trend Lag Length: 0 (Automatic based on SIC, MAXLAG=9)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -3.642137 0.0405 Test critical values: 1% level -4.243644
5% level -3.544284 10% level -3.204699
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test Equation Dependent Variable: D(LNFR,2) Method: Least Squares Date: 04/01/14 Time: 11:50 Sample (adjusted): 1978 2012 Included observations: 35 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
D(LNFR (-1)) -0.585278 0.160696 -3.642137 0.0009 C 0.107213 0.095221 1.125940 0.2686
@TREND(1976) -0.002383 0.004174 -0.570850 0.5721
R-squared 0.295319 Mean dependent var -0.006271 Adjusted R-squared 0.251277 S.D. dependent var 0.278502 S.E. of regression 0.240984 Akaike info criterion 0.073645 Sum squared residual 1.858348 Schwarz criterion 0.206961 Log likelihood 1.711208 Hannan-Quinn critter. 0.119666 F-statistic 6.705325 Durbin-Watson stat 1.956576 Prob(F-statistic) 0.003697
Source: Calculations are based on computer software Eviews-6
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B5. Gross Domestic Product (GNP) B-5.1 Unit Root testing at level
Null Hypothesis: GNP has a unit root(at level) Exogenous: Constant Lag Length: 0 (Automatic based on SIC, MAXLAG=9)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -2.608663 0.0996 Test critical values: 1% level -3.605593
5% level -2.936942 10% level -2.606857
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test Equation Dependent Variable: D(GNP) Method: Least Squares Date: 09/30/15 Time: 13:32 Sample (adjusted): 1973 2012 Included observations: 40 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
GNP(-1) -0.016876 0.006469 -2.608663 0.0129 C 0.305783 0.098691 3.098400 0.0037
R-squared 0.151883 Mean dependent var 0.048500 Adjusted R-squared 0.129564 S.D. dependent var 0.024131 S.E. of regression 0.022514 Akaike info criterion -4.700689 Sum squared residual 0.019261 Schwarz criterion -4.616245 Log likelihood 96.01377 Hannan-Quinn critter. -4.670156 F-statistic 6.805120 Durbin-Watson stat 1.851668 Prob(F-statistic) 0.012925
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B -5.2 Unit Root Testing at 1st Difference Null Hypothesis: D(GNP) has a unit root (1st difference) Exogenous: Constant Lag Length: 0 (Automatic based on SIC, MAXLAG=9)
t-Statistic Prob.*
Augmented Dickey-Fuller test statistic -5.065880 0.0002 Test critical values: 1% level -3.610453
5% level -2.938987 10% level -2.607932
*MacKinnon (1996) one-sided p-values.
Augmented Dickey-Fuller Test Equation Dependent Variable: D(GNP,2) Method: Least Squares Date: 09/30/15 Time: 13:34 Sample (adjusted): 1974 2012 Included observations: 39 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
D(GNP(-1)) -0.810150 0.159923 -5.065880 0.0000 C 0.038700 0.008692 4.452482 0.0001
R-squared 0.409541 Mean dependent var -0.000769 Adjusted R-squared 0.393583 S.D. dependent var 0.030898 S.E. of regression 0.024061 Akaike info criterion -4.566549 Sum squared residual 0.021420 Schwarz criterion -4.481239 Log likelihood 91.04771 Hannan-Quinn critter. -4.535941 F-statistic 25.66314 Durbin-Watson stat 2.056159 Prob(F-statistic) 0.000012
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APPENDIX-C Johansen Co- integration Results
Table C-1.1 VAR Lag Order Selection Criteria
VAR Lag Order Selection Criteria Endogenous variables: GNP CONP INV IMP REM Exogenous variables: C Date: 09/29/15 Time: 15:29 Sample: 1972 2012 Included observations: 38
Lag LogL LR FPE AIC SC HQ
0 54.75136 NA 5.02e-08 -2.618493 -2.403021 -2.541829 1 255.1902 337.5812 4.97e-12 -11.85211 -10.55928* -11.39214* 2 277.8933 32.26227 6.02e-12 -11.73122 -9.361034 -10.88793 3 312.8682 40.49732* 4.33e-12* -12.25622* -8.808672 -11.02961
* indicates lag order selected by the criterion LR: sequential modified LR test statistic (each test at 5% level) FPE: Final prediction error AIC: Akaike information criterion SC: Schwarz information criterion HQ: Hannan-Quinn information criterion Source: Calculations are based on computer software Eviews-6
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Table C-1.2Trace Test Date: 09/30/15 Time: 10:03 Sample (adjusted): 1974 2012 Included observations: 39 after adjustments Trend assumption: Linear deterministic trend (restricted) Series: GNP REM INV IMP CONP Lags interval (in first differences): 1 to 1
Unrestricted Co-integration Rank Test (Trace)
Hypothesized Trace 0.05 No. of CE(s) Eigenvalue Statistic Critical Value Prob.**
None * 0.636482 100.6099 88.80380 0.0054 At most 1 0.470613 61.14478 63.87610 0.0831 At most 2 0.420212 36.33938 42.91525 0.1942 At most 3 0.202860 15.08078 25.87211 0.5678 At most 4 0.147824 6.238509 12.51798 0.4306
Trace test indicates 1 integrating eon(s) at the 0.05 level * denotes rejection of the hypothesis at the 0.05 level **MacKinnon-Haug-Michelis (1999) p-values Table C-1.3 Maximum Eigen value Test
Unrestricted Integration Rank Test (Maximum Eigenvalue)
Hypothesized Max-Eigen 0.05 No. of CE(s) Eigenvalue Statistic Critical Value Prob.**
None * 0.636482 39.46515 38.33101 0.0369 At most 1 0.470613 24.80539 32.11832 0.2978 At most 2 0.420212 21.25861 25.82321 0.1788 At most 3 0.202860 8.842267 19.38704 0.7406 At most 4 0.147824 6.238509 12.51798 0.4306
Max-eigenvalue test indicates 1 integrating eon(s) at the 0.05 level * denotes rejection of the hypothesis at the 0.05 level **MacKinnon-Haug-Michelis (1999) p-values
Unrestricted Integrating Coefficients (normalized by b'*S11*b=I):
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Table C-1.4 Long run coefficients by 2SLS
Dependent Variable: GNP Method: Two-Stage Least Squares Date: 09/14/15 Time: 15:13 Sample: 1972 2012 Included observations: 41 Instrument list: INV WR IMP GNP
Variable Coefficient Std. Error t-Statistic Prob.
C -110609.5 86362.94 -1.280752 0.2085 FR 1.073790 0.356145 3.015032 0.0047
CONS 1.101631 0.053260 20.68411 0.0000 INV 1.345236 0.279825 4.807420 0.0000 IMP -0.175931 0.131305 -1.339869 0.1887
R-squared 0.996561 Mean dependent var 4938669. Adjusted R-squared 0.996179 S.D. dependent var 2568166. S.E. of regression 158743.2 Sum squared residual 9.07E+11 F-statistic 2617.315 Durbin-Watson stat 1.273099 Prob(F-statistic) 0.000000 Second-Stage SSR 2.37E-15
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APPENDIX-D
Table D-1
Error Correction
ECM RESULTS Dependent Variable: D(GNP) Method: Least Squares Date: 10/14/15 Time: 14:20 Sample (adjusted): 1973 2011 Included observations: 39 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
D(IMP) -0.006980 0.012742 -0.547769 0.5875 D(INV) 0.121995 0.043917 2.777828 0.0090
D(REM) 0.042479 0.012396 3.426909 0.0017 D(CONP) 0.255756 0.076546 3.341221 0.0021
D(EC) -0.215003 0.101182 -2.124910 0.0412 C 0.027223 0.005500 4.949565 0.0000
R-squared 0.480886 Mean dependent var 0.048718 Adjusted R-squared 0.402232 S.D. dependent var 0.024407 S.E. of regression 0.018870 Akaike info criterion -4.961842 Sum squared residual 0.011751 Schwarz criterion -4.705910 Log likelihood 102.7559 Hannan-Quinn critter. -4.870016 F-statistic 6.113969 Durbin-Watson stat 1.947163 Prob(F-statistic) 0.000412
Source: Calculations are based on computer software Eviews-6
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APPENDIX-E Diagnostic Test
Table E-1.1
VEC Residual Serial Correlation LM Tests
Null Hypothesis: no serial correlation at lag order h
Date: 04/02/14 Time: 14:49
Sample: 1975 2012
Included observations: 35
Lags LM-Stat Prob
1 23.49563 0.1011
2 20.31988 0.2062
3 14.50674 0.5610
4 12.09002 0.7378
5 21.91179 0.1461
6 16.11009 0.4453
7 14.52736 0.5595
8 12.48897 0.7097
9 10.44463 0.8424
10 17.19258 0.3732
11 15.65080 0.4776
12 23.16200 0.1095
Probs from chi-square with 16 df.
Ho = accepted (No Autocorrelation), If P value 0.05 accept Ho
Source: Calculations are based on computer software Eviews-6
216
Figure E-1.1
8
9
10
11
12
13
14
15
16
1975 1980 1985 1990 1995 2000 2005 2010
CONP IMP INV REM
Normality Test Figure E-1.2
0
1
2
3
4
5
6
7
-0.05 0.00 0.05
Series: ResidualsSample 1982 2012Observations 31
Mean -8.95e-18Median 0.004043Maximum 0.075214Minimum -0.073780Std. Dev. 0.031899Skewness -0.026068Kurtosis 3.001898
Jarque-Bera 0.003516Probability 0.998244
217
Stability Test Figure E-1.3
-15
-10
-5
0
5
10
15
88 90 92 94 96 98 00 02 04 06 08 10 12
CUSUM 5% Significance