Suppose you are a manager of a firm that is part of an industry with 9 firms that have an equal market share of 10 percent. You realize that there could be a merger potential with one of the firms in the industry.
What will be the pre- and post-merger Herfindahl-Hirschman Index (HHI)?
What factors could possibly influence your decision to merge?
What are the prospects of the Justice Department and the Federal Trade Commission endorsing the idea?
1.
Pre Merger HHI =
10^2+10^2+10^2+10^2+10^2+10^2+10^2+10^2+10^2+10^2 =1000
Post Merger HHI = 10^2+10^2+10^2+10^2+10^2+10^2+10^2+10^2+20^2
=1200
2.
To expand market share
Reduce cost and gain competitive advantage
3. The Justice Department and the FTC looks upon to prevent anti-competitive merger or acquisitions. Since the HHI falls between 1000 and 1800, it looks into change in Post HHI-Pre HHI = 1200-1000 = 200. As it is greater than 100, it raises significant competitive concerns depending on other factor too.
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