Correct Answer
verified
Multiple Choice
A) The firm is earning positive short-run profits.
B) The firm is earning negative short-run profits.
C) The firm is earning zero short-run profits.
D) We cannot determine profits because we do not know the firm's average total costs.
Correct Answer
verified
Multiple Choice
A) firms in the industry are typically characterized by very diverse product lines.
B) firms in the industry have some degree of market power.
C) products typically sell at a price equal to their marginal cost of production.
D) the actions of one seller have no impact on the profitability of other sellers.
Correct Answer
verified
Multiple Choice
A) monopolies, but not competitive firms or monopolistically competitive firms
B) monopolies and monopolistically competitive firms, but not competitive firms
C) monopolies, monopolistically competitive firms, and competitive firms
D) No firms earn positive economic profit in the long run. Entry will reduce all firms' economic profit to zero in the long run.
Correct Answer
verified
Multiple Choice
A) be able to increase its markup over marginal cost.
B) eventually have to reduce price to remain competitive.
C) increase the welfare of society.
D) reduce its average total cost.
Correct Answer
verified
Multiple Choice
A) Advertising can be a signal of the quality of a product.
B) Advertising impedes competition.
C) Advertising reduces the deadweight loss associated with monopolistic competition.
D) Advertising encourages free entry, which increases profits.
Correct Answer
verified
Multiple Choice
A) will operate closer to its efficient scale.
B) will operate further from its efficient scale.
C) will no longer be at its efficient scale.
D) might move either closer to or further from its efficient scale.
Correct Answer
verified
Multiple Choice
A) efficient scale.
B) a level of output at which average total cost is rising.
C) a level of output at which average total cost is falling.
D) the level of output at which total revenue is maximized.
Correct Answer
verified
Multiple Choice
A) new firms to enter the market.
B) some of the firms that are currently in the market to exit.
C) this firm's profit to move from its current value toward a positive value.
D) None of the above are correct.
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) increase elasticity of demand for the advertised product.
B) reduce the ability of markets to allocate resources efficiently.
C) provide a signal of product quality.
D) be useful only for psychological effects.
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) all states in the United States prohibited advertising by optometrists.
B) almost all professional optometrists opposed legal restrictions on their rights to advertise.
C) the average price of eyeglasses would decrease if the legal restrictions on advertising by optometrists were removed.
D) advertising on eyeglasses limited competition among optometrists.
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) marginal revenue is equal to marginal cost.
B) price is equal to average total cost.
C) demand is equal to average total cost.
D) All of the above are correct.
Correct Answer
verified
Multiple Choice
A) marginal cost exceeds marginal revenue
B) average revenue equals marginal cost
C) price exceeds marginal cost
D) All of the above are correct.
Correct Answer
verified
True/False
Correct Answer
verified
Multiple Choice
A) the market for those products is perfectly competitive.
B) it costs firms very little to produce those products.
C) those products are highly differentiated.
D) firms are irrational in their decisions to advertise.
Correct Answer
verified
Multiple Choice
A) are price takers.
B) produce an output level that minimizes average total cost in the long run.
C) maximize profits by producing where price equals marginal cost.
D) cannot earn economic profits in the long run.
Correct Answer
verified
True/False
Correct Answer
verified
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