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Test: Macro 1 Test 4 (Block 4) Time Limit: 00:35:00 Submit Test This Question: 1 pt 3 of 10 (0 complete) This Test: 10 pts possible If aggregate demand decreases, the O A. short - run Phillips curve shifts leftward. O B. economy moves to a higher inflation rate along its short - run Phillips curve. O C. economy moves to a lower inflation rate along its short - run Phillips curve. O D. short - run Phillips curve shifts rightward. O E. short - run Phillips curve does not shift nor is there a movement along it