单选题
In the long run, when the economy is at full employment, will a decrease in the quantity of money due to restrictive monetary policy that brings a decrease in aggregate demand likely result in:
the price level? real GDP?
①A. No No
②B. No Yes
③C. Yes No
A. ①B. ②C. ③
【正确答案】
C
【答案解析】From an initial long-run equilibrium, an increase (decrease) in aggregate demand will increase (decrease) prices and output in the short ran, and the resulting increase(decrease) in money wages will decrease (increase) short-run aggregate supply; resulting in further price increases (decreases) and a return to full-employment long-run equilibrium.