Part 1:Changes in which factors could cause aggregate demand to shift from AD to AD1? What could happen to the unemployment rate? What could happen to the inflation rate? Part 2: The Keynesian AD-AS model describes what happens with price levels when aggregate demand increases. Could you find any evidence from the last ten-fifteen years that might support AD-AS model descriptions of demand-pull inflation, cost-push inflation, and recession? For example, you could find data on the GDP’s of any two countries from 2000 to 2017 to support your findings. Please note the followong for the next 3 parts of this. 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. Part 3:What happens in the immediate short-run when AD rises from AD to AD2 to the price level and output?

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Thank you so much for your time and effort! Please note that this is a multi part quesition!

Figure 2: Keynes’s AD-AS Model (Image normally goes here)

 

Part 1:Changes in which factors could cause aggregate demand to shift from AD to AD1? What could happen to the unemployment rate? What could happen to the inflation rate?


Part 2: The Keynesian AD-AS model describes what happens with price levels when aggregate demand increases. Could you find any evidence from the last ten-fifteen years that might support AD-AS model descriptions of demand-pull inflation, cost-push inflation, and recession? For example, you could find data on the GDP’s of any two countries from 2000 to 2017 to support your findings.



Please note the followong for the next 3 parts of this. 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.

Part 3:What happens in the immediate short-run when AD rises from AD to AD2 to the price level and output?


Part 4:What happens in the short-run when AD falls from AD to AD1 to the price level and output?


Part 5:What will happen in each case in the long-run?

**The Keynesian AS Curve**

- **Graph Explanation:**
  - The graph illustrates the Keynesian Aggregate Supply (AS) curve.
  - The vertical axis represents the *Price Level*.
  - The horizontal axis represents the *National Income (real GDP)*.
  - The AS curve is shown in blue, starting horizontally and then becoming vertical at output level Yf.
  - Three Aggregate Demand (AD) curves are depicted:
    - AD (slanted downward to the right)
    - AD1 (to the left of AD)
    - AD2 (to the right of AD)

- **Key Points:**
  - At the horizontal section, from Ye to Yf, increases in AD (from AD to AD1) do not affect the price level. The price level remains at P, and real output increases only.
  - Beyond Yf, the AS curve becomes vertical. Here, increases in AD (to AD2) lead to an increase in the price level, from P to P1, but no change in real output.

- **Text on the Graph:**
  - *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.*

- **Points of Intersection:**
  - Point e1: Where AD1 intersects the horizontal AS curve at price level P.
  - Point e: Where AD intersects the AS curve.
  - Point e2: Where AD2 intersects the vertical AS curve at price level P1.

- **Source:**
  - Copyright: www.economicsonline.co.uk
Transcribed Image Text:**The Keynesian AS Curve** - **Graph Explanation:** - The graph illustrates the Keynesian Aggregate Supply (AS) curve. - The vertical axis represents the *Price Level*. - The horizontal axis represents the *National Income (real GDP)*. - The AS curve is shown in blue, starting horizontally and then becoming vertical at output level Yf. - Three Aggregate Demand (AD) curves are depicted: - AD (slanted downward to the right) - AD1 (to the left of AD) - AD2 (to the right of AD) - **Key Points:** - At the horizontal section, from Ye to Yf, increases in AD (from AD to AD1) do not affect the price level. The price level remains at P, and real output increases only. - Beyond Yf, the AS curve becomes vertical. Here, increases in AD (to AD2) lead to an increase in the price level, from P to P1, but no change in real output. - **Text on the Graph:** - *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.* - **Points of Intersection:** - Point e1: Where AD1 intersects the horizontal AS curve at price level P. - Point e: Where AD intersects the AS curve. - Point e2: Where AD2 intersects the vertical AS curve at price level P1. - **Source:** - Copyright: www.economicsonline.co.uk
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