文档介绍：Chapter 13
Compared Static Analysis of Aggregate Demand & Disequilibrium Theory
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Chapter 1
Content
A simple closed model
The static solution of simple model
Basic concepts of disequilibrium theory
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Chapter 1
Simple Closed Model
Simple closed model
without import and export。
The model as follow:
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Chapter 1
Simple Closed Model
Simple closed model
We can know the characters of some macroeconomic variables based on microeconomics:
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Chapter 1
Simple Closed Model
Simple closed model
The nature of rate
General knowledge:rate is a opportunity cost of lending, a kind price of money, pensate for giving up liquidity of money
Microeconomic knowledge:the time preference for family is just the rate for firm. The real rate is the difference between nominal rate and expectation of the rate of inflation.
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Chapter 1
Simple Closed Model
Simple closed model
Aggregate demand:
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Chapter 1
Simple Closed Model
Simple closed model
Aggregate supply:
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Chapter 1
Simple Closed Model
Simple closed model
What is GDP gap:
The GDP gap is the difference between real rate of inflation and the expectation of
H-function:
Keynes school: H is a almost horizontal line。
New-classical school: H is a vertical line。
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Chapter 1
Principle of Price from: Yuan zhigang “Macroeconomics”
P
t
t
t+1
A
Change in price for long run
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Chapter 1
Simple Closed Model
Simple closed model
Short run:P=constant,
variables:Y,r,C,I,
Long run:P=variables,
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Chapter 1