Your answer must be wrong," a fellow classmate says. "The question is asking about the long run, but you say both the price level and real output change. That can't be true -- only prices change in the long run!"   Your fellow classmate is   Group of answer choices   incorrect; this is only true when the AS curve is shifting.   correct; In the long run, only prices can change from any shift.   correct; only a change in government policy can change both prices and output in the long run.

Economics (MindTap Course List)
13th Edition
ISBN:9781337617383
Author:Roger A. Arnold
Publisher:Roger A. Arnold
Chapter9: Classical Macroeconomics And The Self Regulating Economy
Section: Chapter Questions
Problem 15QP
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1) "Your answer must be wrong," a fellow classmate says. "The question is asking about the long run, but you say both the price level and real output change. That can't be true -- only prices change in the long run!"

 

Your fellow classmate is

 

Group of answer choices

 

incorrect; this is only true when the AS curve is shifting.

 

correct; In the long run, only prices can change from any shift.

 

correct; only a change in government policy can change both prices and output in the long run.

 

incorrect; this is only true when the AD curve is shifting

 

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