5. When marginal is negative, it must be true that
[1]
A. The average is positive
B. The average is negative
C. The total is decreasing
D. The total is negative
6. The elasticity for the demand of durable goods is ____
_
[lJ
A. Zero
B. Equal to unity
C. Greater than unity
D. Less than unity
7. When a firm has little ability to influence market prices it is said to be in what kind
of a market'?
[1]
A. a competitive market
B. a strategic market
C. a thin market
D. a power market
8. According to the principle of diminishing marginal utility,
[lJ
A. marginal utility remains the same
B. total utility remains the same
C. marginal utility decreases with each additional unit of a good
D. that that is consumed.
9. Demand is a schedule of
[1]
A. how much of a good a person wants.
B. each possible price and the amounts people will buy when their incomes change.
C. how much of a good people will purchase at different prices.
D. how much of a good people will purchase at each different price and income.
10. Which of the following is not a characteristic of a perfectly competitive market? [1]
A. Firms in the market produce differentiated products.
B. A large number of sellers and buyers.
C. Freedom of entry into and exit from the market.
D. Perfect information among buyers and sellers.
2