We examine retail gasoline station pricing using three years of weekly prices for 272 stations in the Virginia suburbs of Washington, DC. We report a number of new empirical findings about station level pricing and describe how these findings relate to existing models of retail pricing. First,...

On January 1, 1998 Marathon and Ashland combined their refining and marketing assets in a joint venture which was unchallenged by U.S. antitrust authorities. Because there were no divestitures, the transaction led to a significant increase in concentration in the wholesale and retail sale of...