After-Effects of the COVID-19 Pandemic: Prospects for ...
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INTERNATIONAL MONETARY FUND 1
After-Effects of the COVID-19 Pandemic: Prospects for Medium-Term Economic Damage
APRIL 2021 WEO CHAPTER 2
Sonali Das, Weicheng Lian, Giacomo Magistretti, Evgenia Pugacheva, and Philippe Wingender
With support from Srijoni Banerjee and Savannah Newman, and contributions from Philip Barrett, Mariya Brussevich, Marina Conesa Martinez, Allan Dizioli, Jungjin Lee, and Futoshi Narita
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Motivation
▪ The COVID-19 pandemic has led to a severe global recession
• Output declined three times as much as in GFC, in half the time
• A unique crisis with differential impacts
• An unprecedented policy response
• And great uncertainty about the recovery path
▪ This chapter tackles the following questions:
• What can we learn from historical experience about prospects for scarring, and the most relevant channels through which it occurs?
• How important are sectoral spillovers in propagating shocks to the broader economy?
• What are the implications of the COVID-19 crisis for the medium-term outlook?
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Roadmap
1. Anatomy of the COVID-19 shock
2. Recent developments and near-term outlook (from WEO Chapter 1)
3. Three sections to the analysis:
1. Historical evidence on recessions
2. Historical evidence on sectoral spillovers
3. Implications of the COVID-19 crisis for the medium-term outlook
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The COVID-19 shock: Demand and supply in a low-contact economy
▪ Sectors can be grouped into:
• High contact, affected: restaurants,
transportation, brick-and-mortal retail, etc.
• High contact, less affected: health, groceries,
construction, etc.
• Low-contact services: professional and
business services
• Other low contact: e.g. manufacturing
▪ High-contact, affected sectors most severely
impacted by lockdowns and other pandemic
containment measures
▪ But activity fell across the board, with demand
declining due to reduced mobility, heightened
uncertainty, and network spillovers
70
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–2 –1 0 1 2 3 4 5 6
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–2 –1 0 1 2 3 4 5 6
GFC COVID-19 Other
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–2 –1 0 1 2 3 4 5 6
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–2 –1 0 1 2 3 4 5 6
1. High Contact Affected 2. High Contact Less
Affected
4. Low Contact, Other3. Low-Contact Services
Sources: OECD; US Bureau of Economic Analysis; and IMF staff calculations.
Note: Data are for 1990:Q1–2020:Q4 from 38 countries (the number of countries used for
each recession line varies). Time since the shock (in quarters) on the x-axis. Lines are
averages weighted by country’s GDP. For the COVID-19 crisis, quarter 0 is 2019:Q4. For
the Global Financial Crisis (GFC), quarter 0 is the country-specific date of peak real GDP
during 2007–08. Other recessions are country-specific.
Value Added by Sector Group During Recessions
(Index, last prerecession quarter = 100)
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The COVID-19 shock: Differential impacts within and across economies
Within:
▪ Employment declines disproportionately
among lower-skilled workers
▪ Exits for small businesses appear to be
increasing
Across:
▪ Countries with larger share of high-contact
sectors faced larger contractions
• Particularly those dependent on tourism,
and commodity exporters
Employment, by Sector Group
(Total hours worked, cumulative percent change from 2019:Q4)
Sources: International Labor Organization; and IMF staff calculations.
Note: Data are from 43 economies (27 AEs, 16 EMDEs) for 2019:Q4–
2020:Q3. AEs = advanced economies; EMDEs = emerging market and
developing economies.
–30
–25
–20
–15
–10
–5
0
5
Hig
h co
ntac
t, af
fect
ed
Hig
h co
ntac
t, le
ss a
ffect
ed
Low
-con
tact
ser
vice
s
Low
con
tact
, oth
er
Hig
h co
ntac
t, af
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ed
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h co
ntac
t, le
ss a
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ed
Low
-con
tact
ser
vice
s
Low
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tact
, oth
er
2020:Q1 2020:Q2 2020:Q3
AEs EMDEs
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Recent Developments and Near-Term Outlook
(from WEO Chapter 1)
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Renewed waves, but activity not as sensitive to restrictions
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Manufacturing-led recovery, merchandise trade rebound
–30
–25
–20
–15
–10
–5
0
5
10
70
75
80
85
90
95
100
105
110
2017 18 19 20 Feb.21
Global Activity Indicators(Three-month moving average, annualized percent change; deviations from 50 for manufacturing PMI, unless noted otherwise)
Sources: CPB Netherlands Bureau for Economic Policy Analysis; Haver Analytics; Markit Economics; and IMF staff estimates.
Industrial production
Manufacturing PMI: New orders
Services PMI: New Business
Monthly world trade volumes (seasonally adjusted, 2018=100, right scale)
Sources: Haver Analytics; and IMF staff calculations.
Global Imports: Contributions, by Types of Goods and Regions(Contribution to year-over-year percent change, percentage points; based on value in US dollars)
–21
–18
–15
–12
–9
–6
–3
0
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6
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Jan.2020
Mar.20
May20
Jul.20
Sep.20
Nov. 20
Jan.21
Cars, AEs Cars, EMsConsumer goods, AEs Consumer goods, EMsCapital goods, AEs Capital goods, EMsIndustrial supplies, AEs Industrial supplies, EMsOther goods Total excluding petroleum
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Access to vaccines a key driver of the recovery
A Race between Virus and Vaccines(Per thousand, seven-day moving average; latest observation: March 8, 2021)
Sources: Johns Hopkins University COVID-19 statistics; and national government reports via Our World in Data.
0.00
0.50
1.00
1.50
2.00
2.50
3.00
0.00 0.50 1.00 1.50 2.00 2.50 3.00
New
peo
ple
fully
vac
cina
ted
New cases
March 8February 2
Confirmed Vaccine Procurement(Percent of population)
Sources: Duke Global Health Innovation Center; Johns Hopkins University COVID-19 statistics; and national government reports via Our World in Data.
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G20 AEs G20 EMs Non-G20 EMs LIDC
By the end of June 2021By the end of December 2021UnknownPeople vaccinated (at least one shot), latest observation: March 8, 2021 (right scale)
World
Advanced
Economies U.S. Euro Area Japan U.K. Canada Korea
Other
Advanced
Asia
2020 -3.3 -4.7 -3.5 -6.6 -4.8 -9.9 -5.4 -1.0 -1.3
Revision from
January 2021 0.2 0.2 -0.1 0.6 0.3 0.1 0.1 0.0 0.2
2021 6.0 5.1 6.4 4.4 3.3 5.3 5.0 3.6 4.3
Revision from
January 2021 0.5 0.8 1.3 0.2 0.2 0.8 1.4 0.5 0.7
Growth projections: Advanced economies (percent change from a year earlier)
16Source: IMF, World Economic Outlook, April 2021.
World
Emerging
Market and
Developing
Economies
Emerging
Market and
Developing
Economies
ex. China China India Brazil Russia
Commodity
Exporting
Economies
Low Income
Developing
Countries
2020 -3.3 -2.2 -4.3 2.3 -8.0 -4.1 -3.1 -3.9 0.0
Revision from
January 2021 0.2 0.2 0.4 0.0 0.0 0.4 0.5 0.5 0.8
2021 6.0 6.7 5.8 8.4 12.5 3.7 3.8 4.1 4.3
Revision from
January 2021 0.5 0.4 0.3 0.3 1.0 0.1 0.8 0.3 -0.8
Growth projections: Emerging markets and LIDCs (percent change from a year earlier)
17Source: IMF, World Economic Outlook, April 2021.
Risks related to vaccine rollout
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AEs Real GDP(Percent; deviation from baseline)
Sources: IMF, G20 Model simulations.
Upside scenario Downside scenario
–4
–2
0
2
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2020 21 22 23 24 25
EMDEs Real GDP(Percent; deviation from baseline)
Sources: IMF, G20 Model simulations.
Upside scenario Downside scenario
–4
–2
0
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4
2020 21 22 23 24 25
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Historical evidence on economic recessions
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Channels of scarring
▪ Scarring: persistent damage to supply potential from job losses and firm
bankruptcies, and resulting loss of economic ties in production and
distribution networks
• loss of firm-specific know-how due to bankruptcies
• reduction in technology adoption and innovation
• obstacles to resource reallocationTFP
• delayed or reduced investment during the crisis
• debt overhang, uncertainty, and tighter financial conditions after the recession
Capital
• discouraged unemployed exit labor force
• education interruptions affect long-term human capital accumulation
Labor
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Medium-term output losses are larger for certain types of recessions
▪ We estimate the impact of recessions for a
sample of about 600 recession episodes in
115 countries, from 1957-2019
▪ Local projection method with standard
macroeconomic control variables, interaction
terms for recession types, and country and
year fixed effects
• There are permanent output losses, on
average, after all types of recessions
• The greatest scarring has occurred following
financial crises
• Previous epidemics and pandemics featured
lower scarring than recessions with financial
crises
Impact on Real GDP per Capita
(Percentage points)
Sources: Penn World Table 10.0; and IMF staff calculations.
Note: The solid lines represent the estimated cumulative impulse response
functions and shaded areas represent 90 percent confidence intervals. Past
modern pandemics and epidemics include Hong Kong flu, SARS, H1N1,
MERS, Ebola, and Zika.
Years since the shock
–14
–12
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–2
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–1 0 1 2 3 4 5 6 7
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Channels of medium-term output losses
▪ For typical recessions, medium-term losses in GDP per capita can be attributed
mainly to persistently weaker productivity
▪ Financial crises are associated with permanent deteriorations in TFP, capital-to-
worker ratio, and employment
Sources: Penn World Table 10.0; and IMF staff calculations.
Note: The solid lines represent the estimated cumulative impulse response functions and shaded areas represent 90 percent confidence intervals. Past modern pandemics
and epidemics include Hong Kong flu, SARS, H1N1, MERS, Ebola, and Zika.
Impact on Total Factor Productivity
(Percentage points)Impact on Capital-Employment Ratio
(Percentage points)
Impact on Employment per Capita
(Percentage points)
Years since the shock
–10
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–1 0 1 2 3 4 5 6 7–10
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–1 0 1 2 3 4 5 6 7–10
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–1 0 1 2 3 4 5 6 7
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Education losses worse in EMDEs
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All economies Advanced economies
Emerging market economies
Low-income developing countries
Global Education Losses Due to the COVID-19 Pandemic(Average missed days of instruction in 2020)
Sources: UNESCO-UNICEF-World Bank Survey on National Education Responses to COVID-19 School Closures; and IMF staff calculations.
Where Are Education Losses Larger?
(Average number of missed days of instruction)
Sources: UNESCO-UNICEF-World Bank Survey on National Education
Responses to COVID-19 School Closures; World Bank, WDI; and IMF staff
calculations.
Note: Each bar corresponds to the average number of missed days of
instruction across countries with a given infrastructure characteristic. The
differences are statistically significant at the 5 percent level.
No Yes
0 20 40 60 80
Teachers were provided with ICT
tools during school closure
Internet access above world
average
Electricity access above world
average
68
40
65
33
58
25
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Historical evidence on sectoral spillovers
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Economic shocks: the sectoral dimension
▪ We quantify size and persistence of effects from historical sectoral shocks
• Focus on outcomes at sector-level
• Effect from shocks in own sector vs. shocks in other sectors/countries
• Inter-country input-output tables to quantify linkages for 4 transmission channels
➢ From suppliers: Downstream effects, Domestic and Foreign
➢ From customers: Upstream effects, Domestic and Foreign
• Sample: 31 AEs and 12 EMEs over 1995–2014
▪ Building on Acemoglu and others (2016), local projections
Δ log𝑌s,𝑐,𝑡 = 𝜷𝒐𝒘𝒏𝑆ℎ𝑜𝑐𝑘s,𝑐,𝑡 + 𝜷𝑫𝒏,𝑫𝒐𝒎𝐷𝑛s,𝑐,𝑡𝐷𝑜𝑚 + 𝜷𝑫𝒏,𝑭𝒐𝒓𝐷𝑛s,𝑐,𝑡
𝐹𝑜𝑟
+𝜷𝑼𝒑,𝑫𝒐𝒎𝑈𝑝s,𝑐,𝑡𝐷𝑜𝑚 + 𝜷𝑼𝒑,𝑭𝒐𝒓𝑈𝑝s,𝑐,𝑡
𝐹𝑜𝑟 + Γ(𝑠,𝑐,𝑡) + 𝜀𝑠,𝑐,𝑡
▪ Analyze different shocks
• SUPPLY: sectoral TFP changes
• DEMAND: sectoral government spending changes
Own and Spillover Effects
Source: IMF staff.
Note: Solid, black arrows correspond to (net) trade flows. Dashed,
colored arrows correspond to shocks and their resulting effects on
the focal sector (automotive).
Automotive
Downstream
effects
Automobile dealers
Steel producers
Electricity producers
Car rental companies
Upstream
effects
Own
effect
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Supply shocks: large and persistent downstream effects
▪ Shock: year-on-year change in sectoral TFP
▪ Outcome: cumulative sectoral real value-added growth
• Total network effects 2 times larger than own effect
• Downstream effects dominate
• Effects persist up to 5 years
Own and Network Effects of TFP Shock
(Cumulative change in GVA, percentage points)
Sources: World Input-Output Database; and IMF staff
calculations.
Note: Bars and dots represent the estimated coefficients
of the cumulative impulse response function for sectoral
GVA from a one standard deviation increase in each
shock type.–0.5
0.0
0.5
1.0
1.5
2.0
2.5
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0 1 2 3 4 5
Own Upstream, domesticUpstream, foreign Downstream, domesticDownstream, foreign
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Demand shocks: large and persistent network effects
▪ Shock: year-on-year change in government spending in each sector
▪ Outcome: cumulative sectoral real value-added growth
• Total network effects 7 times larger than effect of own shock
• Network effects persist up to 5 years
Own and Network Effects of Govt. Spend Shock
(Cumulative change in GVA, percentage points)
–0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0 1 2 3 4 5
Sources: World Input-Output Database; and IMF staff
calculations.
Note: Bars and dots represent the estimated coefficients
of the cumulative impulse response function for sectoral
GVA from a one standard deviation increase in each
shock type.
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Network effects amplified the COVID-19 shock
▪ Back-of-the envelope quantification of COVID-19 sectoral spillovers
▪ Relative size of spillovers from ‘peripheral sectors’ is smaller than in previous recessions, still sizable
▪ Downstream domestic spillovers from supply shocks dominate, limited role of foreign shocks
Relative Own and Spillover Effects from the
COVID-19 Shock
(Percent contribution to the 2020 GVA decline)
Sources: World Input-Output Database; OECD Quarterly National
Accounts; International Labor Organization; and IMF staff
calculations.–100
–90
–80
–70
–60
–50
–40
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–20
–10
0
10
Average sector High-contact sectors Low-contact sectors
Own Upstream, domesticUpstream, foreign Downstream, domesticDownstream, foreign
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Implications of COVID-19 for the Medium Term
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A wide range of possible medium-term outcomes
▪ Historical evidence suggests that most recessions leave persistent scars
• Mainly through lower productivity growth and slower capital accumulation
• Sectoral shocks can also propagate, contributing to a broader downturn
▪ Divergent recoveries could result from differences in:
• Path of the pandemic
• Sectoral composition across countries and capability of businesses and workers to
adapt
• Policy responses and policy space
• Amplification through the financial system
• Global spillover channels (e.g. portfolio flows and remittances)
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Expected medium-term output losses
Medium-term Output Losses
(Percent difference from precrisis forecast)
Source: IMF staff estimates.
Note: Bars show the percent difference in real GDP four years after the
crisis and anticipated GDP for the same period prior to the crisis for the
indicated group.
–11
–10
–9
–8
–7
–6
–5
–4
–3
–2
–1
0
World AEs EMDEs EMEs LICs
Global financial crisis COVID-19
Medium-Term GDP Losses Relative to Pre-COVID-19, by Region(Revisions to projected 2024 GDP levels between the January 2020 and April 2021 WEO forecasts, percent)
Source: IMF staff estimates.
–9
–8
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–1
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1
EM Asiaex.
CHN
LAC SSA MECA EMDE World China EMEur.
AE United States
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Cross-country variation in expected medium-term output losses
▪ The average income level, sectoral
structure of economy, and size of fiscal
policy response in 2020 help explain the
variation across economies:
• Countries that implemented larger
fiscal responses are projected to
experience smaller losses
• Largest impacts of the crisis are on
the most tourism-dependent
economies
• Economies with larger services
sectors are also projected to
experience persistent output losses
▪ But large uncertainty remains
Expected Medium-Term Output Losses: Explanatory
Factors
(Percentage points)
Sources: World Bank, World Development Indicators; World Travel and Tourism
Council; and IMF staff calculations.
Notes: Chart shows point estimate and two standard error ranges for
coefficients of a cross-sectional, cross-country regression of forecast revisions
on explanatory variables.
2022 23 24 2022 23 24–4
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2022 23 24
1. Policy Response and Economic Structure
Above-the-line fiscal measures
Tourism Service sector
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A sequenced approach for policies to limit persistent damage
▪ Important to avoid financial distress
▪ Targeted support to the most-affected sectors and workers may be most effective while
supply constraints remain in place, whereas public investment can help boost both supply
and demand as constraints ease
▪ Where fiscal space permits, policymakers should deploy a combined package of better-
targeted support for affected households and firms and public investments aimed at the
following:
• Reversing setbacks to human capital accumulation and encouraging employment
• Supporting productivity, including policies to facilitate resource reallocation
• Boosting investment
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Conclusion
▪ Historically, deep recessions have led to persistent output losses, driven
largely by TFP losses
▪ Spillovers have been large amplifiers of sectoral shocks in the past, and
have also amplified the COVID-19 shock
▪ World output anticipated to be 3 percent lower in 2024, with variation across
countries
• Emerging market and developing economies are expected to suffer more
scarring
▪ Addressing the setback to human capital accumulation, measures to support
reallocation, and lift investment will be key to limit long-run GDP losses
INTERNATIONAL MONETARY FUND 29WORLD ECONOMIC OUTLOOK
World Economic OutlookApril 2021
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