According to Monetarists,how Does a Change in the Money Supply

Multiple Choice

According to monetarists,how does a change in the money supply affect the economy?

A) By changing the velocity of the money which in turn changes the nominal GDP.
B) By changing the rate of interest which in turn changes nominal GDP.
C) By changing investment which in turn changes nominal GDP.
D) By changing aggregate expenditures which in turn changes nominal GDP.