Which of the following was not a major source of economic growth in the 1920s?

If a monopolistically competitive firm can earn a profit, it will increase production until:

a. MR > AVC. b. MR = ATC. c. MC > MR. d. MR = AR. e. MR = MC.

Ceteris paribus, if imports increase in any given year,

A. Exports will increase. B. NDP will increase. C. GDP will increase. D. GDP will decrease.