Development assistance is designed to spur population growth in poor countries

A firm that is the only seller of a good with no close substitutes is a(n)

A) perfect competitor. B) monopolistic competitor. C) oligopolist. D) monopolist.

"Tax cuts, by providing incentives to work, save, and invest, will raise employment and lower the price level." This argument is made by the:

a. Keynesian economists. b. supply-side economists. c. classical economists. d. monetarists.