Why is the long-run aggregate supply curve a vertical line? A) At tha
Why is the long-run aggregate supply curve a vertical line?
A) At that level of real GDP, the production costs are at their lowest level.
B) At that level of real GDP, production costs have fully adjusted to price changes.
C) At that level of real GDP, the unemployment rate is 0 percent.
D) At that level of real GDP, the inflation rate is 0 percent.
ANSWER
B
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