The Herfindahl-Hirschman Index (HHI), a commonly accepted measure of market concentration. If the value of the HHI is less than 1,000, the Justice Department considers an industry as competitive, or unconcentrated. An index between 1,500 and 2,500 is considered representative of a moderately concentrated industry, and an index greater than 2,500 is representative of a highly concentrated industry. If a transaction increases the HHI by more than 200 points in highly concentrated markets, the Justice Department is likely to take antitrust actions. Suppose that in the market for sunglasses, market share is divided among six companies in the following manner: Firm Sun Shades Cool Shades UV Shield Shady Eyewear Tinted Windows Sun Fashion Market Share 60% 15% 10% 8% 5% 2% Before the merger, the value of the Herfindahl index is market for sunglasses is which means that the . And after the merger, the HHI is Based on the Herfindahl index of the market for sunglasses, the FTC should merger between Cool Shades and Sun Fashion.
The Herfindahl-Hirschman Index (HHI), a commonly accepted measure of market concentration. If the value of the HHI is less than 1,000, the Justice Department considers an industry as competitive, or unconcentrated. An index between 1,500 and 2,500 is considered representative of a moderately concentrated industry, and an index greater than 2,500 is representative of a highly concentrated industry. If a transaction increases the HHI by more than 200 points in highly concentrated markets, the Justice Department is likely to take antitrust actions. Suppose that in the market for sunglasses, market share is divided among six companies in the following manner: Firm Sun Shades Cool Shades UV Shield Shady Eyewear Tinted Windows Sun Fashion Market Share 60% 15% 10% 8% 5% 2% Before the merger, the value of the Herfindahl index is market for sunglasses is which means that the . And after the merger, the HHI is Based on the Herfindahl index of the market for sunglasses, the FTC should merger between Cool Shades and Sun Fashion.
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Blank one:
a. highly concentrated
b. moderately concentrated
c. competitive
Blank two:
a. not challenge
b. challenge
c. encourage
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