Anbarci, Nejat; Katzman, Brett - Department of Economics, Florida International University - 2005
The prominent Herfindahl-Hirschman index (HHI), yields a higher concentration level in response to any merger between firms, implying that any merger will decrease the social welfare. Although HHI is used by the Anti-trust Division of the U.S. Department of Justice (AD-DoJ), its merger...