In the new Keynesian business cycle theory, ________ can effect real GDP.
A. only expected changes in aggregate demand
B. expected and unexpected changes in aggregate demand
C. only unexpected changes in aggregate demand
D. only unexpected changes in the money wage rate
Answer:B
In the new Keynesian business cycle theory, ________ can effect real GDP.
A. only expected changes in aggregate demand B. expected and unexpected changes in aggregate demand C. only unexpected changes in aggregate demand D. only unexpected changes in the money wage rate