An increase in aggregate expenditures resulting from some factor other than a change in the price level is equivalent to:

A. a leftward shift of the aggregate demand curve in the AD-AS model.
B. a rightward shift of the aggregate demand curve in the AD-AS model.
C. a movement downward along a fixed aggregate demand curve in the AD-As model.
D. a decrease in aggregate supply in the AD-As model.

ANSWER:

B. a rightward shift of the aggregate demand curve in the AD-AS model.