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The conclusion that oligopoly is inefficient relative to the competitive ideal must be qualified because:


A) industry price leaders often select a price equal to marginal cost.
B) over time oligopolistic industries may promote more rapid product development and greater improvement of production techniques than if they were purely competitive.
C) increased output due to persuasive advertising may perfectly offset the restriction of output caused by monopoly power.
D) many oligopolists sell their products in monopolistically competitive or even purely competitive industries.

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Suppose firms in a collusive oligopoly decide to establish their prices at a level that discourages new rivals from entering the industry.This is called:


A) mutual interdependence.
B) pricing the demand curve.
C) limit pricing.
D) price leadership.

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Which of the following is not a basic characteristic of monopolistic competition?


A) The use of trademarks and brand names.
B) Recognized mutual interdependence.
C) Product differentiation.
D) A relatively large number of sellers.

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If there are significant economies of scale in an industry,then:


A) a firm that is large may be able to produce at a lower unit cost than can a small firm.
B) a firm that is large will have to charge a higher price than will a small firm.
C) entry to that industry will be easy.
D) firms must differentiate their products to earn economic profits.

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In long-run equilibrium,both purely competitive and monopolistically competitive firms will:


A) produce at minimum average total cost.
B) earn economic profits.
C) achieve allocative efficiency.
D) equate marginal cost and marginal revenue.

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In the short run,a profit-maximizing monopolistically competitive firm sets it price:


A) equal to marginal revenue.
B) equal to marginal cost.
C) above marginal cost.
D) below marginal cost.

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(Last Word) In the Internet search market:


A) Yahoo,Bing,and Google have roughly equal market shares.
B) the Herfindahl index value is 10,000.
C) Google holds about 70 percent of the market,while Bing and Yahoo together comprise about 28 percent.
D) government subsidies ensure that search engines are provided at no cost to all Internet users.

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Which of the following companies was not fined in 2011 for attempting to run an international cartel and fix prices?


A) Intel.
B) Danfoss.
C) Panasonic.
D) Whirlpool.

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Suppose that total sales in an industry in a particular year are $600 million and sales by the top four sellers are $200 million,$150 million,$100 million,and $50 million,respectively.We can conclude that:


A) price leadership exists in this industry.
B) the concentration ratio is more than 80 percent.
C) this industry is a differentiated oligopoly.
D) the firms in this industry face a kinked demand curve.

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Monopolistic competition resembles pure competition because:


A) both industries emphasize nonprice competition.
B) in both instances firms will operate at the minimum point on their long-run average total cost curves.
C) both industries entail the production of differentiated products.
D) barriers to entry are either weak or nonexistent.

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Cartels are difficult to maintain in the long run because:


A) they are illegal in all industrialized countries.
B) individual members may find it profitable to cheat on agreements.
C) it is more profitable for the industry to charge a lower price and produce more output.
D) entry barriers are insignificant in oligopolistic industries.

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Prices are likely to be least flexible:


A) in oligopoly.
B) in monopolistic competition.
C) where product demand is inelastic.
D) in pure competition.

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The monopolistic competition model assumes that:


A) allocative efficiency will be achieved.
B) productive efficiency will be achieved.
C) firms will engage in nonprice competition.
D) firms will realize economic profits in the long run.

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Use your basic knowledge and your understanding of market structures to answer this question.Which of the following companies most closely approximates a monopolistic competitor?


A) Subway Sandwiches.
B) Pittsburgh Plate Glass.
C) Ford Motor Company.
D) Microsoft.

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Suppose that an industry is characterized by a few firms and price leadership.We would expect that:


A) price would equal marginal cost.
B) price would equal average total cost.
C) price would exceed both marginal cost and average total cost.
D) marginal revenue would exceed marginal cost.

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Which of the following is correct for a monopolistically competitive firm in long-run equilibrium?


A) MC = ATC.
B) MC exceeds MR.
C) P exceeds minimum ATC.
D) P = MC.

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In which of the following market models do demand and marginal revenue diverge?


A) Pure monopoly,oligopoly,and monopolistic competition.
B) Pure monopoly,oligopoly,and pure competition.
C) Pure monopoly only.
D) Oligopoly only.

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In the long run,the price charged by the monopolistically competitive firm attempting to maximize profits:


A) must be less than ATC.
B) must be more than ATC.
C) may be either equal to ATC,less than ATC,or more than ATC.
D) will be equal to ATC.

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The Herfindahl index:


A) measures the prices charged by oligopolistic manufacturers.
B) is another name for the four-firm concentration ratio.
C) tells us whether oligopolistic firms are engaging in collusion.
D) gives much greater weight to larger firms than to smaller firms in an industry.

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Answer the question on the basis of the following demand and cost data for a specific firm:  Demand Data Cost Data (1)   Price $11.009.999.008.007.106.005.15 (2)  Price$10.008.858.007.006.105.004.15 (3)  Quantity6789101112 Output 6789101112 Total Cost$61626467727986\begin{array}{c}\underline{\text { Demand Data}}\quad\quad\quad\quad\quad\underline{\text { Cost Data}} \\\begin{array}{c}\text { (1) }\\\underline{\text { Price } }\\ \$ 11.00 \\9.99 \\9.00 \\8.00 \\7.10 \\6.00 \\5.15\end{array}\begin{array}{c}\text { (2) }\\\underline{\text { Price}}\\\$ 10.00 \\8.85\\8.00\\7.00\\6.10\\5.00\\4.15\end{array}\begin{array}{c}\text { (3) }\\\underline{\text { Quantity}}\\6 \\7 \\8 \\9 \\10 \\11 \\12\end{array}\begin{array}{c}\\\underline{\text { Output }} \\6 \\7 \\8 \\9 \\10 \\11 \\12 \end{array}\begin{array}{c}\text { Total}\\\underline{\text { Cost}} \\ \$ 61 \\62 \\64 \\67 \\72 \\79 \\86\end{array}\end{array} Refer to the data.If columns (1) and (3) of the demand data shown are this firm's demand schedule,the profit-maximizing price will be:


A) $9.
B) $7.
C) $11.
D) $6.

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