Pavneet singh kohli ppt micro & macro Economics (10.1)
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Transcript of Pavneet singh kohli ppt micro & macro Economics (10.1)
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The difference between micro and macro
economics
By Pavneet Singh Kohli
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Outline
Definition Micro economics
Production Price
Macro economics Three elements Tax
Conclusion
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DefinitionWhat is Micro and Macro economics?
Microeconomics
Microeconomics is one of the main fields of the social science of economics. It considers the behavior of individual consumers, firms, and industries
Macroeconomics
Macroeconomics is the economics sub-field of study that considers aggregate behavior, and the study of the sum of individual economic decisions.
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Micro Economics
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Micro Economics - production
Do you think the production of cookies is 250 pieces?
Imagine: You are a owner of a cookie shop.
Busy!
I want to hire new workers.
50
Same skill
50 50 50 50
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Micro Economics - productionThe Answer is NO.
0
50
100
150
200
250
300
1 2 3 4 5
Quantity ofOutput(Cookies)Not true
Number of Workers
Figure1: Production of Cookies
N.GREGORY MANKIW, ECONOMICS
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Micro Economics - production
Why?
Too crowded Not enough
space Not enough
facilities
Space and facilities
are limited
Cookie Shop
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Micro Economics - production
0
50
100
150
200
250
300
1 2 3 4 5
Quantity ofOutput(Cookies)Not true
Number of Workers
Figure1: Production of Cookies
Marginal : an additional unit
The amount of productionincreased. However, the increase of production is gradually getting smaller.
The theory of diminishing marginal product of Labor
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Micro Economics - Price
Why Japanese hair-dresser in Sydney is so expensive?
$10-18 $50
Local hair-dresser Japanese hair-dresser
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Micro Economics - Price
Japanese people prefer Japanese hair-style. To explain about hair style in English is
difficult.
Not so many Japanese hair-dresser in Sydney.
High demand
Low Supply
Reasons
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Micro Economics - Price
High Demand & Low Supply
Supply’
Q1
Demand
Supply
Quantity
Pric
e
O Q
P
P1
P2
Q2
Demand’
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Macro Economics
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Macro economics - GDP
GDP (Gross Domestic Products)
Government
Consumption Industry
Economics consists of these three elements
What is the relationship among these three elements?
=C+I+G
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Macro economics - Consumption
Consumption
Salary
Foods & Daily Products
House & Car
Service
Child care
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Macro economics - Industry
Industry
Sales
Buildings& Factories
Pay Salary
instruments
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Macro economics - Government
Government
Tax
Social infrastructure Education
Social WelfarePolice &Military
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Macro economics - relationship
These three elements have a relationship.
Government
Consumption IndustryBuy
Products
PaySalary
PayTAXGovernm
ent
ExpenseProv
ide
Serv
ice
Pay
TAX
Money
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Macro economics - Tax
Government
When a government decides to increase the corporate tax, What will happen?
Consumption IndustryDecrease
Profit
Increaserevenue
TAX
SalaryDecreaseincome
Decreaserevenue
Decrease
Increase
TAX
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Conclusion
The difference between Micro and Macro economics is considering economics with individual behavior or sum of individual behavior.
G
C I
Macro economicsMicro economics
Cookie Shop
TAX
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Discussion
What are economical problems of communism?