ECON 2001.01 Midterm: ECON 2001.01 Midterm 3 2015 Fall

66) Assuming that this firm decides to produce a positive level of output, its short run supply curve is given by A) its Average Variable Cost curve above the point where AVC = 4. B) its Average Total Cost curve above the point where ATC = 5. C) its Marginal Cost curve above the point where MC = 1. D) its Marginal Cost curve above the point where MC = 4. E) its Marginal Cost curve above the point where MC = 5.

QUESTION 22

For a perfectly competitive firm, profit maximization (or loss minimization) occurs at the level of output at which

4 points

QUESTION 23

If MR > MC, then

4 points

QUESTION 24

If firms are earning zero economic profits, they must be producing at an output level at which

4 points

QUESTION 25

In the theory of perfect competition,

11.) Which statement is false?
A. The minimum point of the AVC curve is the shutdown point.
B. The minimum point of the ATC curve is the breakeven point.
C. The firm's short-run supply curve runs up the marginal cost curve from the shutdown point all the way up the curve.
D. None of these statements are false.
12.) Which statement is false?
A. The firm's short-run supply curve runs along the MC curve from the shutdown point to the break-even point.
B. The MC curve intersects the ATC curve at the latter's minimum point.
C. Total revenue = price x output sold.
D. None of these statements are false.

26.) If the price were $25, this firm would _______ in the short run and _______ in the long run.
A. shut down; stay in business
B. shut down; go out of business
C. operate; stay in business
D. operate; go out of business

22.) If price is above the break-even point, in the short run the firm will _____ and in the long run the firm will _____.
A. shut down; stay in business
B. shut down; go out of business
C. operate; go out of business
D. operate; stay in business

8.) Which statement is true?
A. Because they are the only seller in the industry, the monopolist does not have to lower their price to sell more output.
B. Most firms in the United States are monopolies.
C. Unlike the perfect competitor, the monopolist does not necessarily produce at that output where MC = MR.
D. None of these statements are true.

15.) In the United States, natural monopolies
A. are easily converted to competitive industries.
B. are common in retailing.
C. are commonly regulated by governments.
D. are rarely regulated by governments.

21.) If a monopoly firm can sell its eighth unit of output for a price of $175, it may expect to receive a price __________ in order to sell more than eight units.
A. of more than $175
B. of $175
C. of less than $175
D. of $100

27.) Which statement is true?
A. Since the monopolist is the only firm in the industry, its profit is calculated differently from the way a perfect competitor would calculate profit.
B. The monopolist's demand curve and marginal revenue curve are the same line.
C. In the long run under monopoly, the most efficient output is the most profitable output.
D. A monopolist may lose money in the short-run