Refer to the Diagram and Assume That Prices and Wages

Multiple Choice

Refer to the diagram and assume that prices and wages are flexible both upward and downward in the economy. In the extended AD-AS model,

A) demand-pull inflation would involve a rightward shift of curve A, followed by a rightward shift of curve C.
B) cost-push inflation would involve a rightward shift of curve A, followed by a leftward shift of curve C.
C) recession would involve a leftward shift of curve A, followed by leftward shifts of curves C and D.
D) recession could be caused by either a leftward shift of curve A or a leftward shift of curve C.