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Which of the following,if true,would be the best example of the Bertrand model of oligopoly?


A) The automobile market where the market price is set by the price leader
B) The electricity market where there are significant barriers to entry
C) The cigarette market where there are a small number of large firms
D) The breakfast cereal market where the product is highly differentiated
E) A competitive auction where the good that is auctioned goes to the lowest bidder

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The demand function in a duopoly is: P = 100 - 2(Q1 + Q2) ,where P = price,Q1 = output of the firm,and Q2 = output of the second firm.If the first firm decides to sell 10 units while the second firm sells 20 units,which of the following will be true?


A) The second firm will earn twice as much revenue as the first firm.
B) The second firm will sell at a lower price than the first firm.
C) An increase in one firm's output will not affect the other firm's revenue.
D) The first firm will earn a higher profit than the second firm.
E) The market price will be determined by the second firm's output which is larger than the first firm's output.

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Five oligopoly firms have market shares of 40%,20%,18%,12%,and 10%.Compute the four-firm concentration ratio,and the Herfindahl-Hirschman index for the industry.

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CR4 = 40 + 20 + 18 + ...

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Between 1950 and 1956,the three leading aluminum producers in the U.S.changed prices nine times by exactly the same amount each time and usually within one to three days of the initial price increase.This is an example of _____.


A) sequential pricing
B) price leadership
C) price discrimination
D) tacit collusion
E) price fixing

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An oligopoly firm's effective demand curve will be kinked at the current market price if:


A) the firm acts as a price leader in the industry.
B) demand is elastic for price increases by the firm.
C) the firm expects other firms to match all price changes.
D) there is free entry and exit in the market.
E) the firm produces a differentiated product.

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How does firm behavior in an oligopoly differ from behavior in other market structures?

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An oligopoly is a market dominated by a ...

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The following matrix displays the advertising rates and the resultant profits (in thousands of dollars)for two rival newspapers in a major city. The following matrix displays the advertising rates and the resultant profits (in thousands of dollars)for two rival newspapers in a major city.    (a)Assume that the newspapers set their advertising rates independently.Determine the optimal strategy for each firm.Explain briefly. (a)Assume that the newspapers set their advertising rates independently.Determine the optimal strategy for each firm.Explain briefly.

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After the newspapers merge,their common ...

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Antitrust laws in the United States generally forbid tie-in arrangements.What reasons might firms give to justify tying of goods? What reasons might antitrust authorities state to prevent it?

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Firms seeking to tie-in goods will clearly see the profit potential for the tie-in.It makes demand for the tied product less elastic,permitting a higher price and profit.Price discrimination becomes more likely with tying.In addition,a firm may argue that one product works better when used with another produced by the same firm.An example might be applications software tied-in with a particular operating system software,such as Windows.The firm may be able to offer a group of products at a savings,compared to offering each separately.There may be legitimate quality control issues for requiring a tie-in. Antitrust regulation is concerned with tying because it may lead to less competition in the tied-in product and serve as an entry barrier.Bundling that serves a legitimate business purpose is generally permitted.Tie-ins that are seen as creating an entry barrier are less likely to pass antitrust scrutiny.

The kinked demand curve model explains _____ in an oligopoly.


A) the number of firms that can profitably exist
B) the market share of each firm
C) the outcome of price discrimination
D) price rigidity among firms
E) collusive price agreements between firms

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Which of the following correctly explains the dominant firm model of an oligopoly?


A) The firm that sets the lowest price gains the entire market share.
B) A single firm sets a price which is lower than the current market price and gains market share at the expense of the other firms.
C) A single firm sets the price in the market,which is taken as given by the other smaller firms.
D) Each firm in the market sets its price based on the reaction of the other firm.
E) The firms in the market collude and set prices in order to maximize their combined profits.

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Distinguish between the degree of concentration for U.S.sales and the degree of concentration for U.S.production.Give at least two examples of U.S.industries that have significantly different production and sales ratios.

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Concentration ratios for domestic sales and domestic production will differ if imports represent a significant portion of the former.For example,the "Big Three" U.S.automobile companies comprise more than 80% of domestic production,but only about 60 to 65% of domestic sales (since imports account for the other 15 to 20%).Industries with a large degree of import penetration include electronics,textiles,wines,and so on.

The following matrix shows the pricing strategies and resultant profits (in thousands of dollars) for two profit-maximizing firms. Table 9-1 The following matrix shows the pricing strategies and resultant profits (in thousands of dollars) for two profit-maximizing firms. Table 9-1    -Refer to Table 9-1.If Firm A sets a high price,Firm B will _____. A) also set a high price B) earn a profit of $35,000 C) follow the low-price strategy D) earn a profit of $30,000 E) earn a lower profit than firm A -Refer to Table 9-1.If Firm A sets a high price,Firm B will _____.


A) also set a high price
B) earn a profit of $35,000
C) follow the low-price strategy
D) earn a profit of $30,000
E) earn a lower profit than firm A

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The concentration ratio for an industry with four firms shows the:


A) percentage of sales accounted for by the four firms.
B) total market capitalization of the four firms.
C) percentage of profits accounted for by the four firms.
D) total quantity of output of the four firms.
E) total costs of production of the four firms.

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Briefly explain the concept of price leadership and why it occurs in oligopolistic markets.

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The price leadership model of oligopoly ...

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The following matrix shows the pricing strategies and resultant profits (in thousands of dollars) for two profit-maximizing firms. Table 9-1 The following matrix shows the pricing strategies and resultant profits (in thousands of dollars) for two profit-maximizing firms. Table 9-1    -What is meant by a prisoner's dilemma? A) A strategic situation in which some individuals enjoy the benefits of a good without incurring any of the costs associated with the good. B) A strategic situation where there is a collective benefit from cooperation but the self-interest of individuals leads to an inferior outcome. C) A strategic situation in which players make decisions in a sequential manner based on some information on the previous player's moves. D) A strategic situation where a group of firms collude to set higher prices and maximize profits. E) A strategic situation in which all players make their moves simultaneously,with no information about the other players' actions and in the process maximize individual returns. -What is meant by a prisoner's dilemma?


A) A strategic situation in which some individuals enjoy the benefits of a good without incurring any of the costs associated with the good.
B) A strategic situation where there is a collective benefit from cooperation but the self-interest of individuals leads to an inferior outcome.
C) A strategic situation in which players make decisions in a sequential manner based on some information on the previous player's moves.
D) A strategic situation where a group of firms collude to set higher prices and maximize profits.
E) A strategic situation in which all players make their moves simultaneously,with no information about the other players' actions and in the process maximize individual returns.

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An oligopoly firm faces the demand curve P = 50 - Q for Q < 10 units and P = 65 - 2Q for Q > 10 units.What is the marginal cost range within which the firm can operate?

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The kink in the demand curve occurs at 1...

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Which of the following is true of product differentiation?


A) Product differentiation increases information asymmetry in a market.
B) Product differentiation reduces price differentials among competing goods by informing consumers about the features of a product.
C) Product differentiation can be based on perceived differences among products.
D) Product differentiation is the process of determining the optimal production of various products by a multi-product firm.
E) Firms in a perfectly competitive market practice product differentiation to attract consumers.

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In the Cournot model of duopoly,explain whether the quantities chosen by the firms are strategic complements or strategic substitutes.

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The firms' quantities are strategic subs...

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Which of the following is true of the Cournot model of a duopoly?


A) The products sold by the firm are imperfect substitutes.
B) The equilibrium price in a Cournot duopoly is higher than the price in a monopoly.
C) The demand curve facing each firm is horizontal.
D) The market price is determined by the output produced by the firm with the larger market share.
E) The duopoly equilibrium lies between the pure-monopoly and purely competitive outcomes.

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What are the assumptions of the kinked demand curve model? What is its main conclusion about oligopoly behavior? How realistic is the model?

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The kinked demand curve model presumes that the firm determines its price behavior based on a prediction about its rivals' reactions to potential price changes.The firm assumes that rivals will match a price cut but ignore a price increase.The result is that demand is much more elastic above the current price (because sales volume will drop off quickly if rivals do not match a price increase),and fairly inelastic below the current price (rivals will cut price to prevent the firm from increasing market share). The main conclusion of the model is that oligopoly firms will tend to stick to their current prices unless there is a dramatic shift in demand and/or cost.The model is not complete because it does not explain why the kink occurs at a particular price,nor does it justify the price-cutting behavior of rivals.

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