In the United States, antitrust authorities rely heavily on numerical measures of local banking market concentration such as the Herfindahl Hirschmann Index to assess the likely competitive effects of proposed bank mergers and acquisitions. This approach to antitrust enforcement relies on two...

This paper uses a large sample of individual banking organizations, observed from 1996 to 2003, to investigate the characteristics that made them more likely to be acquired. We use a definition of acquisition that we consider preferable to that used in much of the previous literature, and we...

This paper presents two tests of the hypothesis that adoption of the internal ratings-based approach to determining minimum capital requirements, as proposed in applying the Basel II capital accord in the United States, will cause adopting banking organizations to increase acquisition activity....