객관식
Suppose that an economy suddenly experiences actual inflation that is below the expected level of inflation. This will likely cause short-run movement:
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20. Tradeoffs Between Inflation and Unemployment
Phillips Curve and Expected Inflation
객관식
Suppose that an economy has been experiencing actual inflation that is equal to expected inflation. This economy would most likely be operating at point:
A
A
B
B
C
C
D
D
E
E
검증된 단계별 안내1
Step 1: Understand the Phillips Curve framework. The Short-Run Phillips Curve (SRPC) shows the inverse relationship between inflation and unemployment when inflation expectations are fixed, while the Long-Run Phillips Curve (LRPC) is vertical, representing the natural rate of unemployment where inflation expectations equal actual inflation.
Step 2: Identify the condition where actual inflation equals expected inflation. This condition occurs when the economy is on the Long-Run Phillips Curve (LRPC), because at this point, inflation expectations have adjusted to actual inflation, and there is no surprise inflation.
Step 3: Locate the points on the graph. Points A, C, and E lie on the SRPC, while points B, C, and D lie on the LRPC. Since actual inflation equals expected inflation, the economy must be on the LRPC.
Step 4: Determine the specific point on the LRPC where actual inflation equals expected inflation and the economy is in long-run equilibrium. This is point C, where the SRPC and LRPC intersect, indicating the natural rate of unemployment and stable inflation expectations.
Step 5: Conclude that the economy is most likely operating at point C, as it represents the situation where actual inflation equals expected inflation, consistent with long-run equilibrium on the Phillips Curve.
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