An industry has the following market shares: 30% 20% 10% 5% What is the Pre-merger index? What is the post-merger index? What is the increase or decrease in the index after the merger? Should a merger between the 1st and 3rd largest firms be allowed based on the Herfindhal Index? Why or why not

Microeconomics
13th Edition
ISBN:9781337617406
Author:Roger A. Arnold
Publisher:Roger A. Arnold
Chapter12: Government And Product Markets: Antitrust And Regulation
Section12.1: Antitrust
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An industry has the following market shares: 30% 20% 10% 5% What is the Pre-merger index? What is the post-merger index? What is the increase or decrease in the index after the merger? Should a merger between the 1st and 3rd largest firms be allowed based on the Herfindhal Index? Why or why not

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