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Question 30 1 pts An economic contraction caused by a negative change in aggregate demand causes prices to MC fall in the short run, and rise back to their original level in the long run after \"self-correction.\" C rise in the short run, and after "self-correction\" rise even more in the long run. C rise in the short run, and fall back to their original level in the long run, after "self-correction.\" C fall in the short run, and fall even more in the long run after "self-correction.\