August 2012

Consolidation and Merger Activity in the United States Banking Industry from 2000 through 2010

Robert M. Adams


This study investigates trends in consolidation and merger activity in the United States banking industry from 2000 through 2010. Over this period, the U.S. banking industry has consistently experienced over 150 mergers annually, with the largest banking organizations holding an increasing share of banking assets. While the industry has undergone considerable consolidation at the national level, local banking markets have not experienced significant increases in concentration. The dynamics of consolidation raise concerns about competition, output, efficiency, and financial stability. This study uses a comprehensive proprietary data set to examine mergers and acquisitions involving banks and thrifts. The methodology in this paper expands the definition of mergers to include more types of transactions than previous studies on bank mergers.

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Keywords: Banking, mergers, antitrust

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Last Update: July 10, 2020