: Use an AD–AS graph to illustrate the initial equilibrium and the short-run equilibrium after the shocks. Do we know with certainty whether in the new equilibrium the output level will be higher or lower than potential GDP?  B: Suppose that the Fed decides not to intervene with monetary policy. Show how the economy will adjust back to long-run equilibrium.  C: Now suppose that the Fed decides to intervene with monetary policy. If the Fed’s policy is successful, show how the economy adjusts back to long-run equilibrium.

Brief Principles of Macroeconomics (MindTap Course List)
8th Edition
ISBN:9781337091985
Author:N. Gregory Mankiw
Publisher:N. Gregory Mankiw
Chapter15: Aggregate Demand And Aggregate Supply
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Assume that the economy is initially in equilibrium at potential GDP. Then suppose that the economy is hit simultaneously with a positive aggregate demand shock and a negative aggregate supply shock: There is a large increase in U.S. exports to Europe and a large increase in oil prices. 

A: Use an AD–AS graph to illustrate the initial equilibrium and the short-run equilibrium after the shocks. Do we know with certainty whether in the new equilibrium the output level will be higher or lower than potential GDP? 

B: Suppose that the Fed decides not to intervene with monetary policy. Show how the economy will adjust back to long-run equilibrium. 

C: Now suppose that the Fed decides to intervene with monetary policy. If the Fed’s policy is successful, show how the economy adjusts back to long-run equilibrium. 

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