Which of the Following Findings Would Be the Most Likely

Multiple Choice

Which of the following findings would be the most likely to lead the U.S.Justice Department to block a corporate merger under terms of the Clayton Act?

A) A buyer-seller relationship between the two firms.
B) A high premerger Herfindahl index in the industry and a large boost in the index because of the merger.
C) A low pre- and post-merger concentration ratio in the industry.
D) Evidence that one of the firms is highly unprofitable.