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Market Structure Quiz | Market Structure Objective Type Questions and Answers

(21) Which of the following is a barrier to entry that typically results in monopoly?
[A] Production of the industry's product requires a large initial capital investment.
[B] The firm controls the entire supply of a raw material.
[C] The firm holds an exclusive government franchise.
[D] Production of the industry's product is subject to economies of scale over a broad range of output.
Answer: Production of the industry's product requires a large initial capital investment.
(22) The market demand curve for a perfectly competitive industry is QD = 12 - 2P. The market supply curve is QS = 3 + P. The market will be in equilibrium if
[A] P = 4 and Q = 4.
[B] P = 3 and Q = 6.
[C] P = 5 and Q = 2.
[D] P = 6 and Q = 9.
Answer: P = 3 and Q = 6.

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(23) A perfectly competitive firm should reduce output or shut down in the short run if market price is equal to marginal cost and price is
[A] less than average variable cost.
[B] greater than average variable cost.
[C] greater than average total cost.
[D] less than average total cost.
Answer: less than average variable cost.
(24) Which of the following markets comes close to satisfying the assumptions of a perfectly competitive market structure?
[A] The market for petroleum and natural gas.
[B] The market for agricultural commodities such as wheat or corn.
[C] The stock market.
[D] All of the above come close to satisfying the assumptions of perfect competition.
Answer: All of the above come close to satisfying the assumptions of perfect competition.
(25) If one perfectly competitive firm increases its level of output, market supply
[A] will increase and market price will fall.
[B] will increase and market price will rise.
[C] and market price will both remain constant.
[D] will decrease and market price will rise.
Answer: and market price will both remain constant.
(26) If a firm sells its output on a market that is characterized by few sellers and many buyers and limited long-run resource mobility, then the firm is
[A] a monopolist.
[B] an oligopolist.
[C] a perfect competitor.
[D] a monopolistic competitor.
Answer: an oligopolist.
(27) If a firm sells its output on a market that is characterized by many sellers and buyers, a differentiated product, and unlimited long-run resource mobility, then the firm is
[A] a monopolistic competitor.
[B] a perfect competitor.
[C] a monopolist.
[D] an oligopolist.
Answer: a monopolistic competitor.
(28) If a firm sells its output on a market that is characterized by a single seller and many buyers of a homogeneous product for which there are no close substitutes and barriers to long-run resource mobility, then the firm is
[A] a monopolist.
[B] an oligopolist.
[C] a perfect competitor.
[D] a monopolistic competitor.
Answer: a monopolist.
(29) Which of the following best describes a successful monopolist?
[A] The only seller of a difficult-to-substitute product
[B] The only buyer of a resource or type of labor
[C] The only buyer of a consumer product
[D] The only seller of a non-essential product
Answer: The only seller of a difficult-to-substitute product
(30) Which of the following is most likely to be observed in a monopolistically competitive market?
[A] Government antitrust oversight
[B] Standardized, homogenous products
[C] Collusion and price-fixing between firms
[D] Non-price competition, such as advertising
Answer: Non-price competition, such as advertising

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