单选题

If the Federal Reserve unexpectedly shifts to a more expansionary monetary policy, which one of the following is most likely occur in the short run?（）

A、 A decrease in the velocity of money.
B、 A decrease in real GDP.
C、 An increase in employment.

【正确答案】 C

【答案解析】

An unanticipated shift to a more expansionary monetary policy will temporarily expand output and employment.