Figure 1: Hayek’s (Classical) AD-AS Model 1.1. Hayek says that markets will heal themselves and that government should not intervene. How does the AD-AS model reflect Hayek’s idea that governments cannot increase real GDP beyond the level that the free market economy is able to produce? 1.2. Do you believe that the Hayek’s classical AD-AS model explain the factors that cause changes (shifts) in AS realistically? Why or why not? Figure 2: Keynes’s AD-AS Model 2.1. In Figure 2 above, what are the factors that may cause the aggregate demand to shift from AD to AD1? What is the difference between demand pull inflation, cost push inflation and recession? 2.2. In macroeconomics, the immediate short run is known as a length of time when both input prices and output prices are fixed. In the short-run, input prices are fixed but output prices are variable. In the long run, input prices and output prices can vary. Describe the AS curve in the Immediate Short run. Describe the AS curve in the Short run. Describe the AS in the Long run.

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Chapter11: Fiscal Policy
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Figure 1: Hayek’s (Classical) AD-AS Model

1.1. Hayek says that markets will heal themselves and that government should not intervene. How does the AD-AS model reflect Hayek’s idea that governments cannot increase real GDP beyond the level that the free market economy is able to produce?

 

1.2. Do you believe that the Hayek’s classical AD-AS model explain the factors that cause changes (shifts) in AS realistically? Why or why not?

 

 

 

Figure 2: Keynes’s AD-AS Model

2.1. In Figure 2 above, what are the factors that may cause the aggregate demand to shift from AD to AD1? What is the difference between demand pull inflation, cost push inflation and recession?


2.2. In macroeconomics, the immediate short run is known as a length of time when both input prices and output prices are fixed. In the short-run, input prices are fixed but output prices are variable. In the long run, input prices and output prices can vary.

  • Describe the AS curve in the Immediate Short run.


  • Describe the AS curve in the Short run.


  • Describe the AS in the Long run.
Figure 2: Keynes's AD-AS Model
The Keynesian AS curve
Price
Level
AS
Up to real output level Yf
increases in AD have no effect
on the price level. Increases
in AD beyond Yf cause an
increase in the price level
but no increase in real output.
p1
AD2
AD
AD1
National income
(real GDP)
Ye
Yf
Copyright: www.economicsonline.co.uk
Transcribed Image Text:Figure 2: Keynes's AD-AS Model The Keynesian AS curve Price Level AS Up to real output level Yf increases in AD have no effect on the price level. Increases in AD beyond Yf cause an increase in the price level but no increase in real output. p1 AD2 AD AD1 National income (real GDP) Ye Yf Copyright: www.economicsonline.co.uk
Figure 1: Hayek's (Classical) AD-AS Model
The Classical AS curve
Price
Level
AS
p1
AD1
AD
Yf
National income
Copyright: www.economicsonline.co.uk
(real GDP)
Transcribed Image Text:Figure 1: Hayek's (Classical) AD-AS Model The Classical AS curve Price Level AS p1 AD1 AD Yf National income Copyright: www.economicsonline.co.uk (real GDP)
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