题目内容

An oligopolistic industry has:

A. Few barriers to entry.
B. Few economies of scale.
C. A great deal of interdependence among firms.

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Which of the following statements most accuratelydescribes the shape of the average fixed cost curve?

A. It becomes relatively flat at large output levels.
B. It is always below the average variable cost curve.
C. It intersects the marginal cost curve at its minimum.

If a firms long-run average total cost increases by 6% if output is increased by 6%, the firm is experiencing:

A. Economies of scale.
B. Diseconomies of scale.
Constant returns to scale.

A consumer has a budget of 120 euros. If the price of melons increases from 4 euros to 5 euros, and the price of fish increases from 6 euros to 10 euros, the absolute value of the slope of the budget

A. Decrease from 2/3 to 1/2.
B. Decrease from 4/5 to 6/10.
C. Increase because the price of both fish and melons has increased.

The imposition of a price floor above the current equilibrium price is most likely to result in a:

A. Change in supply.
B. Welfare loss to the economy.
C. Decrease in quantity supplied.

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