If Q = K2L2 the MPK is

According to the Keynesian view, the prolonged unemployment of the Great Depression

a. was surprising because Keynesians believed that wage rates would decline and direct the economy to full employment. b. was surprising because Keynesians believed that lower interest rates would direct the economy to full employment. c. resulted because the total expenditures on goods and services were less than the full-employment rate of output. d. resulted because the federal government ran large budget deficits during the 1930s.

A major difference between monopoly and monopolistic competition is

A. The number of firms in the market. B. One has a downward-sloping demand curve, and the other does not. C. One maximizes profits by setting MR equal to MC, and the other does not. D. One type of firm has market power, and the other does not.