You are better off choosing $100 today rather than $200 in 9 years if the interest rate is

Which of the following is true for both perfect and monopolistic competition?

A) Firms produce a differentiated product. B) Firms face a downward sloping demand curve. C) Firms produce a homogeneous product. D) There is freedom of entry and exit in the long run.

The monetary rule is the view of the:

A. Keynesians that monetary policy is most important. B. Monetarists that monetary policy is most important. C. Classical economists that monetary policy is most important. D. Monetarists that the Fed should expand the money supply at a constant rate.