According to the Justice Department and the Federal Trade Commission, a merger would likely be challenged if

Question

Quizplus · Accepted Answer

The Justice Department and the Federal Trade Commission use the Herfindahl-Hirschman Index (HHI) to measure market concentration. A post-merger industry with an HHI above 1,500 and a rise in HHI of more than 100 is considered highly concentrated, and the merger would likely be challenged as potentially anti-competitive.