Assume an industry is composed of the following eight firms.
Company Market Share
Firm A 30 percent
Firm B 25 percent
Firm C 15 percent
Firm D 10 percent
Firm E 7 percent
Firm F 6 percent
Firm G 4 percent
Firm H 3 percent
a. If Firms B and C propose a merge, would the Antitrust Division likely challenge the merger? Why or why not?
b. If firms G and H propose a merger, would the Antitrust Division likely challenge the merger? Why or why not?