In 1997, the US Federal Trade Commission challenged the proposed merger of two office supply superstores, Staples and Office Depot in US District Court. Both the government and merging parties presented econometric studies examining the merger's likely impact on consumer pricing, predicting a...

Antitrust enforcement of supermarket merger activity during the late 1980s and early 1990s was less stringent than it had been before or has been since. For six announcements of supermarket acquisitions during this period, this study examines the abnormal stock returns of rival firms to...

Retrospective analyses of hospital mergers may be uniquely valuable because they speak directly to two important issues - the methods used for delineating relevant geographic markets in hospital merger analysis, and the implications of not-for-profit status on post-merger hospital pricing - that...

<title>Abstract</title> Sunoco's 2004 acquisition of El Paso's, New Jersey refinery and Valero's 2005 acquisition of Premcor's Delaware refinery significantly consolidated refinery control in the US Northeast. The Federal Trade Commission investigated both transactions but challenged neither. We examine the...

There have been numerous proposals for legislating restrictions on vertical supply relationships on the West Coast and elsewhere. However, there has not been a systematic examination of gasoline prices on the West Cost, relative to the rest of the country, to understand the size of possible...