Which of the Following Is Correct According to the Long-Run

Multiple Choice

Which of the following is correct according to the long-run Phillips curve?

A) No government policy,including changes in the money supply growth rate,can change the natural rate of unemployment.
B) Changes in the money supply growth rate are the only means by which government policy can change the natural rate of unemployment.
C) Monetary policy cannot change the natural rate of unemployment,but other government policies can.
D) Monetary policy and other government policies can shift the long-run Phillips curve.