A Difference Between the Economic Long Run and the Short

Multiple Choice

A difference between the economic long run and the short run is that:

A) the classical dichotomy holds in the short run but not in the long run.
B) monetary and fiscal policy affect output only in the long run.
C) demand can affect output and employment in the short run, whereas supply is the ruling force in the long run.
D) prices and wages are sticky in the long run only.