Q1. Which of the following best describes the relationship between the indicated type of market and the Herfindahl-Hirschman Index, respectively? A) Monopolistic competition; 100. B) Perfect competition; 1,800. C) Monopoly; 10,000.
Q2. Comparing the four-firm concentration ratio and the Herfindahl-Hirschman Index, which is most likely to be associated with a perfectly competitive industry, respectively? A) 125; 1,000. B) 90; 2,000. C) 25; 100.
Q3. Which the following four-firm concentration ratios and Herfindahl-Hirschman indexes (HHI) respectively indicates a highly competitive market? A) 5%; 150. B) 98%; 9,500. C) 5%; 9,500.
Q4. Consider two markets; one has a Herfindahl-Hirschman Index (HHI) of 50, while the other has a four-firm concentration ratio equal to 2%. Which of the following statements most accurately describes these two markets? A) The market with the HHI equal to 50 has low competition, while the other market is highly competitive. B) Both markets are highly competitive. C) Both of these markets are monopolies. | 
发表于 2008-12-31 10:36
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