Suppose the price of Coke increases. What would happen to the equilibrium price and quantity of Pepsi?
A. a. Both the equilibrium price and quantity of Pepsi would increase.
B. b. Both the equilibrium price and quantity of Pepsi would decrease.
C. c. The equilibrium price of Pepsi would increase, and the equilibrium quantity of Pepsi would decrease.
D. d. The equilibrium price of Pepsi would decrease, and the equilibrium quantity of Pepsi would increase.
查看答案
11) Beth’s friends want to take her to a movie or a play for her birthday. Beth chooses to attend the play. We know that:
A. . Beth has made an irrational decision.
B. . not seeing the movie is Beth’s opportunity cost of attending the play.
C. . Beth did not make a decision at the margin.
D. . seeing the play did not cost Beth anything since she did not have to pay for the ticket.
10) If a 10 percent increase in price leads to a 12 percent decline in the quantity demanded, the price elasticity of demand is
A. . 0.83
B. . 1.2
C. . 2
D. . 2.2
9) Which of the following is not a condition for perfect competition?
A. . Each firm takes the market price as given.
B. . One firm producing many products.
C. . Firms produce identical, or nearly identical, products.
D. . Freedom of entry and exit.
8) A firm will shut down in the short run if
A. . P
B. . P > AVC
C. . P
D. . P > MC
微信支付 
支付宝支付