Which of the following is uncharacteristic of monopolistic competition in the long run?

When the Fed sells $100 million of securities to a commercial bank, the

A) monetary base increases. B) money supply increases. C) bank's reserves decrease. D) required reserve ratio decreases. E) bank's reserves do not change.

The Keynesian revolution

a. was an attack on the classical supply-determined, full-employment theory of output and employment. b. attacked the quantity theory of money. c. shared with the classical model the belief that prices and wages are perfectly flexible. d. All of the above e. both a and b.