All of the following are incomes earned in the factor market EXCEPT

The value of money falls. This might be because the Federal Reserve

a. bought bonds, which increased the money supply. b. bought bonds, which decreased the money supply. c. sold bonds, which increased the money supply. d. sold bonds, which decreased the money supply.

When monetary and fiscal policymakers expand aggregate demand, which of the following costs is incurred in the short run?

a. Short-run aggregate supply decreases. b. The natural rate of unemployment increases. c. The price level increases more rapidly. d. The money supply increases less rapidly.