CH 27 Oligopoly and Strategic Behavior
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Transcript of CH 27 Oligopoly and Strategic Behavior
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CH 27Oligopoly and Strategic Behavior
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Which of the following is NOT a characteristic of oligopoly firms?
A) Strategic dependence B) Product differentiationC) Non-price competition, such as advertising and promotionsD) Perfectly elastic demand curves
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Strategic behavior and game theory are features of which market structure?
A)Perfect competitionB)MonopolyC)Monopoly competitionD)Oligopoly
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In oligopoly, any action by one firm to change price, output, or quality causes
A) A reaction by other firmsB) No reaction from the other firmsC) A profit gain for the other firmsD) Loss of market share by the acting firm
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When U.S. Steel, a steel producer, bought control of iron ore companies at the beginning of the 20th century, the company was initiating…..
A) A horizontal mergerB) A vertical mergerC) A cartelD) An expropriation
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If Daimler-Chrysler and General Motors Corporation were to merge, this would represent…..
A) A vertical mergerB) A horizontal mergerC) A cartelD) An up and down merger
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A merger between firms that are in the same industry is called a
A) Conglomerate mergerB) Horizontal mergerC) Vertical mergerD) None of the above
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Which of the following does NOT help explain why oligopolies exist?
A) Economies of ScaleB) MergersC) Product homogeneityD) Barriers of entry
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Which of the following is a characteristic of oligopoly?
A) Easy entry and exitB) Many firmsC) Strategic DependenceD)None of the above
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The measurement of industry concentration which calculates the percentage of all sales the leading four firms is called the
A) Herfindahl-Hirschman IndexB) Concentration RatioC) Producer Price IndexD) MU/P Ratio
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If the United States’ largest bakery buys an agricultural firm that specializes in growing wheat, we would have an example of…..
A) A horizontal mergerB) A vertical merger C) A monopolyD) Excessive product differentiation
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Suppose an industry has total sales of $25 million per year. The two largest firms have sales of $6 million each, the third largest firm has sales of $2 million, and the fourth largest firm has sales of $1 million. The four-firm concentration ratio for this industry is
A) 36 percentB) 60 percentC) 50 percentD) 25 percent
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Suppose that an industry consists of 100 firms, and the top 4 firms have annual sales of $1 million, $1.5 million, $2 million, and $2.5 million, respectively. If the entire industry has annual sales of $8.5 million, the four-firm concentration ratio is approximately
A) 82 percentB) 50 percentC) 94 percentD) 70 percent
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Within a game theory mode, if a change in decision-making raises corporation A’s profits by $50 and lowers corporation B’s profits by $50, the game is a ……..
A) negative-sum gameB) zero-sum gameC) positive-sum gameD) Cooperative game
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What is oligopoly? How does oligopoly differ from the other kinds of market structure?
Answer: Oligopoly is an industry characterized by a small number of firms. The firms are interdependent, and they recognize that they are interdependent. This leads to strategic dependence, which means that firms must recognize that their actions will affect the other firms, and they must take into account the actions of the other firms.
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Explain the basic operations of an economic game.
Answer: Games can be either cooperative, in which the firms collude, or noncooperative. The players of the game are the decision-makers in oligopolistic firms, and they devise strategies, which are rules used to make a decision. Payoffs are the outcomes of the strategies employed by all of the players.
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