Merger between firms on degree of market concentration

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Reference no: EM13986858

The U.S. Department of Justice (DoJ) uses the Herfindahl index to evaluate the impact of a proposed horizontal merger between firms on the degree of market concentration.

You consider an industry with 15 firms. Their market shares are as follows:

Company Market Share

A 25%

B 20%

C 15%

D 10%

E 5%

There are 10 identical firms in the industry. Compute the Herfindahl index.

(H <.10 means low concentration, H up to .14 is moderate concentration, H>.18 means high concentratoin)

a. Companies A and B merge, calculate the pre and post-merger Herfindahl index. What should the reaction of the DoJ be according to the Agency standards?

b. Companies A and D merge, calculate the pre and post-merger Herfindahl index. What should the reaction of the DoJ be according to the Agency standards?

c. Companies A and E merge, calculate the pre and post-merger Herfindahl index. What should the reaction of the DoJ be according to the Agency standards?

Reference no: EM13986858

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