If the Aggregate Demand Curve Shifts in the Short Run

Multiple Choice

If the aggregate demand curve shifts in the short run moving the economy out of long-run equilibrium:

A) the short-run aggregate supply curve will shift to bring it back into long-run equilibrium.
B) the aggregate demand curve will eventually shift back once expectations are taken into account.
C) inflation will always occur.
D) we will move along the short-run aggregate supply curve back to equilibrium.