The given nondiscriminating monopolist should set its price at:

Which of the following is not true for a public good?

a. Marginal cost of serving public good to one more person is zero. b. Free rider problem arises in case of public goods. c. Exclusion is not possible in most of the public goods. d. Public goods include only material commodities.

Expansionary monetary policy should initially change gross investment by ________.

A. more than necessary to reach full employment B. an amount determined by the money multiplier C. enough to reach full employment D. less than necessary to reach full employment