文档介绍：Chapter 3
Total Expenditure & GDP: Goods Market
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Content
Concepts of Macroeconomic Equilibrium
Consumption Function
Model and others
Multiplier
Concepts of Macroeconomic Equilibrium
Macroeconomic Equilibrium
The total supply equals the total demand
Factors market
Goods&labor market
Family
Firms
(1)supply factors of production
(2)payments
(3)buying products
(4)supply goods
Concepts of Macroeconomic Equilibrium——two sections model
leakage:family set aside part of the e for saving.
injection:firms get the investment
firms
family
payments
Expenditure on consumption
Financial
market
savings
Investment
Concepts of Macroeconomic Equilibrium
National e’s cycling model From:Mankiw, Macroeconomics, 5th Edition,
Concepts of Macroeconomic Equilibrium
Macroeconomic variables from expenditure view
Consumption
Investment
Government Export
Concepts of Macroeconomic Equilibrium——three sections economy
Firms
Family
Financial
market
government
Concepts of Macroeconomic Equilibrium——four sections economy
Concepts of Macroeconomic Equilibrium
Y
AE
AE
Y
100
100
e=100
expenditure=100
100
IU<0
IU>0