Which of the Following Is FALSE

Which of the following is FALSE?

A) Some monetarists believe that monetary policy can be a destabilizing influence on the economy.
B) The Federal Reserve followed a contractionary monetary policy during the Great Depression.
C) Following a monetary rule would mean that the level of business investment would be constant on a year-to-year basis.
D) In the long run, there appears to be a direct relationship between the rate of growth of the money supply and the rate of inflation.