For an inferior good, the demand curve
A. a. must have a negative slope.
B. b. is likely to be horizontal.
C. c. must have a positive slope.
D. d. may have a positive slope.
查看答案
The position and slope of the budget line are determined by
A. a. consumer’s income.
B. b. consumer’s preference.
C. c. consumer’s income and the prices of goods.
D. d. consumer’s income, preference, and the prices of goods.
Under perfect competition, price is determined by the intersection of the industry supply and demand curves
A. a. in the short run.
B. b. in the long run.
C. c. always.
D. d. never.
Which one of the following industries is closest to perfect competition?
A. a. Aircrafts.
B. b. Cigarettes.
C. c. Rice.
D. d. Automobiles.
To a monopolist, his supply curve
A. a. slopes upward.
B. b. is identical to his marginal cost curve.
C. c. is identical to his marginal revenue curve.
D. d. does not exist.
微信支付 
支付宝支付