In the Keynesian Model, an Aggregate Demand Shock

Multiple Choice

In the Keynesian model, an aggregate demand shock

A) will cause the aggregate demand curve to shift, leading to a change in the price level and real GDP.
B) will cause the aggregate demand curve to shift, leading to a change in the price level but not real GDP.
C) will cause the aggregate demand curve to shift, leading to a change in real GDP but not the price level.
D) will not lead to a shift of the aggregate demand curve.