Exam 9: Basic Oligopoly Models

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An oligopolist faces a demand curve that is steeper at higher prices than at lower prices.Which of the following is most likely?

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In the presence of large sunk costs, which of the following market structures generally leads to the highest price?

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The Bertrand theory of oligopoly assumes

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The market demand in a Bertrand duopoly is P = 10 - 3Q, and the marginal costs are $1.Fixed costs are zero for both firms.Which of the following statement(s) is/are true?

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Which of the following is true?

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A duopoly in which both firms have a Lerner index of monopoly power equal to 0 is probably a:

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The Cournot theory of oligopoly assumes rivals will

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The profits of the leader in a Stackelberg duopoly

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A decrease in firm 1's marginal cost will cause

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In a Cournot oligopoly, a decrease in a firm's marginal cost leads to

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Firm A has a strictly higher marginal cost than firm B's.They compete in a homogeneous product Bertrand duopoly.Which of the following results will not occur?

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Consider two firms competing to sell a homogeneous product by setting price.The inverse demand curve is given by P = 15 - Q.Firm 1 has MC1(Q1) = 1 and firm 2 has MC2(Q2) = 1.05.Based on this information we can conclude that the market price will be

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Suppose you are the manager of a medium-sized firm that operates in an industry that has a four-firm concentration ratio of 100 percent.All firms in the industry are of equal size.In order to determine your firm's optimal output and price, you must obtain information about how rivals would respond to changes in your decisions.If you were the manager, how would you obtain this information?

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You are the CEO of ClipIt, a paper clip manufacturer.Your company enjoys a patented technology that allows it to produce paper clips faster and at a lower cost than your only rival, FastenIt.Clipit uses this advantage to be the first to choose its profit-maximizing output level in the market.The inverse demand function for paper clips is

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Consider a Stackelberg duopoly with the following inverse demand function: P = 100 - 2Q1 - 2Q2.The firms' marginal cost are identical and given by MCi(Qi) = 2Qi.Based on this information the Stackelberg leader's marginal revenue function is

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If firms are in Cournot equilibrium:

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Zelda Industries is the only firm of its kind in the world.Due largely to historical accident, it began producing streganomas in 1985 in a vacant warehouse.Virtually anyone with a degree in college chemistry could easily replicate the firm's formula, which is not patent protected.Nonetheless, since 1985 Zelda has averaged accounting profits of 6 percent on investment.This rate is comparable to the average interest rate that large banks paid on deposits over the period.Do you think Zelda is earning monopoly profits? Why?

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Which of the following is not a quantity-setting oligopoly model?

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There are many different models of oligopoly because:

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Firm one and firm two compete as a Cournot oligopoly.There is an increase in marginal cost for firm one.Which of the following is not true?

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