Exam 9: Basic Oligopoly Models

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Consider a Cournot 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 firm 1 and 2's marginal revenue functions are

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Which of the following is true?

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Both firms in a Cournot duopoly would experience lower profits if

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Which of the following is true of a perfectly contestable market?

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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.Based on this information we can conclude that

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Two identical firms compete as a Cournot duopoly.The demand they face is P = 100 - 2Q.The cost function for each firm is C(Q) = 4Q.In equilibrium, the deadweight loss is:

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Consider a Cournot 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 consumer surplus in this market is

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The inverse demand curve for a Stackelberg duopoly is

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Two firms compete as a Stackelberg duopoly.The demand they face is P = 100 - 3Q.The cost function for each firm is C(Q) = 4Q.The outputs of the two firms are:

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Which of the following is true?

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Which of the following statements is not a condition for a Stackelberg oligopoly?

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When firm 1 enjoys a first-mover advantage in a Stackelberg duopoly, it will produce:

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Consider two firms competing to sell a homogeneous product by setting price.The inverse demand curve is given by P = 6 - Q.If each firms' cost function is Ci(Qi) = 2Qi, then consumer surplus in this market is

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Consider a market consisting of two firms where the inverse demand curve is given by P = 500 - 2Q1 - 2Q2.Each firm has a marginal cost of $50.Based on this information we can conclude that equilibrium price in the different oligopoly models will follow which of the following orderings.

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Consider a Cournot 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 firm 1 and 2's reaction functions are

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Which of the following are quantity-setting oligopoly models?

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An oligopolist has a marginal revenue curve that jumps down at 500 units of output.What kind of oligopoly does the firm most likely belong to?

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A new firm enters a market which is initially serviced by a Cournot duopoly charging a price of $20.What will the new market price be should the three firms co-exist after the entry?

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Suppose that the duopolists competing in Cournot fashion agree to produce the collusive output.Given that firm one commits to this collusive output, it pays firm two to

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The Sweezy model of oligopoly reveals that

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