Economics (MindTap Course List)
13th Edition
ISBN: 9781337617383
Author: Roger A. Arnold
Publisher: Cengage Learning
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Chapter 10, Problem 2QP
To determine
The instantaneous adjustment of prices and wages and the classical
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How do Classical and Keynesian economists differ in their view of the aggregate supply curve?
According to the classical economists, the supply curve is vertical at the level of potential GDP. What happens to the level of real output and price no matter where the demand curve is drawn?
Figure 1: Hayek’s (Classical) AD-AS Model
Economics Online. (n.d.). Aggregate Demand. Retrieved from http://economicsonline.co.uk/Managing_the_economy/Aggregate_demand.html
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?
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
Economics Online. (n.d.). Aggregate supply. Retrieved from http://www.economicsonline.co.uk/Managing_the_economy/Aggregate+supply.html
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…
Chapter 10 Solutions
Economics (MindTap Course List)
Ch. 10.1 - Prob. 1STCh. 10.1 - Prob. 2STCh. 10.1 - Prob. 3STCh. 10.2 - Prob. 1STCh. 10.2 - Prob. 2STCh. 10.2 - Prob. 3STCh. 10.3 - Prob. 1STCh. 10.3 - Prob. 2STCh. 10.3 - Prob. 3STCh. 10.4 - Prob. 1ST
Ch. 10.4 - Prob. 2STCh. 10 - Prob. 1QPCh. 10 - Prob. 2QPCh. 10 - Prob. 3QPCh. 10 - Prob. 4QPCh. 10 - Prob. 5QPCh. 10 - Prob. 6QPCh. 10 - Prob. 7QPCh. 10 - Prob. 8QPCh. 10 - Prob. 9QPCh. 10 - Prob. 10QPCh. 10 - Prob. 11QPCh. 10 - Prob. 12QPCh. 10 - Prob. 13QPCh. 10 - Prob. 14QPCh. 10 - Prob. 15QPCh. 10 - Prob. 16QPCh. 10 - Prob. 17QPCh. 10 - Prob. 18QPCh. 10 - Prob. 19QPCh. 10 - Prob. 20QPCh. 10 - Prob. 21QPCh. 10 - Prob. 22QPCh. 10 - Prob. 23QPCh. 10 - Prob. 24QPCh. 10 - Prob. 25QPCh. 10 - Prob. 1WNGCh. 10 - Prob. 2WNGCh. 10 - Prob. 3WNGCh. 10 - Prob. 4WNGCh. 10 - Prob. 5WNGCh. 10 - Prob. 6WNGCh. 10 - In the accompanying figure, explain what happens...Ch. 10 - Prob. 8WNG
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- Complete the following table by matching the macroeconomic assumptions about aggregate supply to the appropriate school of thought. Assumption Classical Keynesian Only an increase in aggregate demand can move an economy out of a recession and back to potential real GDP quickly. Product prices and wages tend to be inflexible. The following graph shows the aggregate demand (ADAD) and aggregate supply (ASAS) curves for a hypothetical economy that is currently operating below its full-employment output level. That is, the economy is currently in a recession. The aggregate supply curve (ASAS) in this diagram is consistent with the view of aggregate supply. According to this viewpoint, the government should spending in response to the recession. Shift the appropriate curve on the graph to illustrate the impact of this change in government spending. ADASPRICE LEVELREAL GDP (Trillions of dollars)AD AS The prescribed…arrow_forwardUsing a macroeconomics demand/supply analysis, where do you think current output is relative to what the economy is capable of producing? Look at recent trends in the data. What are the recent trends in the components of aggregate demand (consumption spending, investment spending, government purchases, and exports and imports?arrow_forwarda) In the classical model, what is the impact of changes in the demand for goods and services on aggregate output? b) Did classical economists pay much attention to the supply-side effects of changes in income tax rates in the nineteenth and early twentieth centuries? Why or why not? What about supply-side economics?arrow_forward
- Aggregate Supply: Explain whether the economy is currently operating in the Keynesian, intermediate or neoclassical portion of the economy's aggregate curve. Also, point out a time when the economy may have been operating at another portion of the aggregate supply curve.arrow_forwardDoes the graph above reflect a Classical Model or a Keynesian Model? How do you know? What is happening in this economy in the short run?arrow_forwardConsidering the formula for Aggregate Demand (Also known as the product market) answer the following question:Name two macroeconomic variables (from this formula) that decline when the economy goes into recession, and explain why this happens?Name one macroeconomic variable (from this formula) that rises during a recession, and explain why this happens?arrow_forward
- Fill in the blank. ALEX: Hi, Becky. I’m intrigued to see how macroeconomics allows us to explain recent economic events such as the Great Recession that affected so many people. But there’s one thing I don’t understand. Was the collapse of the housing bubble the only cause of the recession, or were there other factors as well? BECKY: Hi, Alex. I agree that macroeconomic theory offers an entirely new perspective on how the economy works. To answer your question, the crash of the housing market was a major factor but not the only cause of the Great Recession. The professor mentioned that the __________ (options: financial, fiscal, government) system deteriorated as well, an event that deepened the economic downturn even further. ALEX: I see. So the bursting of the housing bubble caused the initial decline in aggregate demand. Then the financial crisis caused aggregate demand to decline even more. Could you also help me understand how to use the aggregate demand and aggregate supply model…arrow_forwardThe following graph shows the short-run and long-run aggregate supply curves (SRAS and LRAS) for an economy. Suppose there is a technological improvement that allows firms to reduce their costs of production permanently. Drag one or both of the curves on the graph to illustrate the long-term effects of this change. If you don't believe there will be any long-term effects, leave the curves where they are. 240 LRAS SRAS 200 SRAS 160 LRAS 120 80 40 6 12 18 24 REAL GDP (Trillions of dollars) Assuming aggregate demand is not affected by the technological improvement, the long-run effect of this v supply shock is v in aggregate output and v in the price level. PRICE LEVELarrow_forwardHow would the level of aggregate demand be affected by a rise in the interest rate in the Keynesian theory? Which components would be affected most strongly?arrow_forward
- Now think about a major recession, like the one that occurred in 1982. (Hint: a major recession could be caused by a large shift to the left in the AD curve.) Why would a Keynesian policy make more sense in response to a major recession like the one that occurred in 1982? What would be the cost of following a neoclassical policy then?arrow_forwardThe following graph plots aggregate demand (AD2027AD2027) and aggregate supply (AS) for the imaginary country of Cotopaxi in the year 2027. Suppose the natural level of output in this economy is $6 trillion. On the following graph, use the green line (triangle symbol) to plot the long-run aggregate supply (LRAS) curve for this economy. Economists forecast that if the government takes no action and the economy continues to grow at the current rate, aggregate demand in 2028 will be given by the curve labeled ADAADA, resulting in the outcome given by point A. If, however, the government pursues an expansionary policy, aggregate demand in 2028 will be given by the curve labeled ADBADB, resulting in the outcome given by point B. The following table presents projections for the unemployment rates that would occur at point A and point B. Consider the potential rate of inflation between 2027 and 2028, depending on whether the economy moves from the initial price level of 102 to the…arrow_forwardList any five factors that can shift the aggregate demand (AD) curve to the right.arrow_forward
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