1、A firm in a competitive industry takes account of the fact that the demand curve it confronts has a significant negative slope.
A、对
B、错
2、In a perfectly competitive industry, the demand curve for the total output of the industry may be downward sloping.
A、对
B、错
3、Price equals marginal cost is a sufficient condition for profit maximization
A、对
B、错
4、A profit maximizing firm continues to operate even though it is losing money. It sells its product at a price of $100. From these facts we deduce that:
A、average total cost is less than $100.
B、average fixed cost is less than $100.
C、marginal cost is increasing.
D、average variable cost is less than $100.
5、A profit maximizing dairy farm is currently producing 10,000 gallons of milk per day. The government is considering two alternative policies. One is to give the farm a lump sum subsidy of $500 per month. The other policy is to give the farm a subsidy
A、Both kinds of subsidy will increase production at this farm.
B、Neither subsidy will affect production at this farm, since output is determined by profit maximization.
C、Production at this farm will be increased if the per unit subsidy is adop
6、The change in producer’s surplus when the market price changes from p1 to p2 is half of the area to the left of the marginal cost curve between p1 and p2.
A、对
B、错
7、A firm has the long run cost function C(q)=4q2 + 4. In the long run, it will supply a positive amount of output, so long as the price is greater than:
A、16
B、24
C、4
D、8
8、Suppose that Dent Carr’s long run total cost of repairing s cars per week is c(s)=3s2 + 27.If the price he receives for repairing a car is 30, then in the long run, how many cars will he fix perweek if he maximizes profits?
A、5
B、0
C、10
D、7.5
9、A profit maximizing firm continues to operate even though it is losing money. It sells its product at a price of $100. From these facts we deduce that:
A、average total cost is less than $100.
B、average fixed cost is less than $100.
C、marginal cost is increasing.
D、average variable cost is less than $100.
10、A profit maximizing dairy farm is currently producing 10,000 gallons of milk per day. The government is considering two alternative policies. One is to give the farm a lump sum subsidy of $500 per month. The other policy is to give the farm a subsidy
A、Both kinds of subsidy will increase production at this farm.
B、Production at this farm will be increased if the per unit subsidy is adopted, but not if the lump-sum subsidy is adopted.
C、Which subsidy has the greater effect on production at t
