(Mergers and Public Policy) Calculate the Herfindahl-Hirschman Index (HHI) for each of the following industries.Which industry is the most concentrated?a. An industry with five firms that have the followingmarketshares: 50 percent, 30 percent, 10 percent,5 percent, and 5 percentb. An industry with five firms that have the followingmarketshares: 60 percent, 20 percent, 10 percent,5 percent, and 5 percentc. An industry with five firms, each of which hasa 20 percent market share

(Mergers and Public Policy) Calculate the Herfindahl-Hirschman Index (HHI) for each of the following industries.Which industry is the most concentrated?a. An industry with five firms that have the followingmarketshares: 50 percent, 30 percent, 10 percent,5 percent, and 5 percentb. An industry with five firms that have the followingmarketshares: 60 percent, 20 percent, 10 percent,5 percent, and 5 percentc. An industry with five firms, each of which hasa 20 percent market share

ECON MICRO

5th Edition

ISBN:9781337000536

Author:William A. McEachern

Publisher:William A. McEachern

Chapter15: Economic Regulation And Antitrust Policy

Section: Chapter Questions

Problem 4.7P

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Carrot Computers and its competitors purchase touch screens for their tablet computers from several suppliers. The six makers of touch screens have market shares of, respectively, 19 percent, 18 percent, 14 percent, 16 percent, 20 percent, and 13 percent. a. What is the Herfindahl index for the touch screen manufacturing industry? b. By how much would a proposed merger between the two smallest touch screen makers increase the Herfindahl index? Would the government be likely to challenge that proposed merger? c. If Carrot Computers horizontally merges with its competitor Blueberry Handhelds, by how much would the Herfindahl index change for the touch screen industry?
Unsure which is the correct answers Suppose that three firms make up the entire wig manufacturing industry. One has a 50% market share, and the other two have a 25% market share each. The Herfindahl index of this industry is a. 3,750 b. 1,000 c. 10,000 d. 5,000 e. 2,500 Mane Attraction, one of the firms with a 25% market share in the wig manufacturing industry, leaves the market. This would cause the Herfindahl index for the industry to __-- a. remain the same b. fall c. rise The largest possible value of the Herfindahl index is 10,000 because: a. an index of 10,000 corresponds to 100 firms with a 1% market share each b. an index of 10,000 corresponds to a monopoly firm with 100% market share c. an industry with an index higher than 10,000 is automatically regulated by the Justice Department
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Suppose that a small town has seven burger shops whose respective shares of the local hamburger market are (as percentages of all hamburgers sold): 25 percent, 24 percent, 18 percent, 12 percent, 11 percent, 6 percent, and 4 percent. Instructions: Enter your answers as a whole number. a. What is the four-firm concentration ratio of the hamburger industry in this town? percent b. What is the Herfindahl index for the hamburger industry in this town? c. If the top three sellers combine to form a single firm, what would happen to the four-firm concentration ratio and to the Herfindahl index? Four-firm concentration ratio = percent Herfindahl index =
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