Multiple Choice
The short-run aggregate supply curve slopes upward because:
A) firms normally can purchase some inputs at prices that are temporarily fixed in the short run.
B) firms seek maximum profits and always try to increase output in the short run.
C) firms purchase inputs that increase in price as the price level rises in the short run.
D) All of the above are correct.
Correct Answer:

Verified
Correct Answer:
Verified
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