We use a data set consisting of a three year panel of prices from a sample of gasoline stations located in suburban Washington DC and a corresponding census of the region's stations to develop three new empirical findings about retail gasoline pricing. First, while average retail margins vary...

Direct-to-consumer drug advertising has recently become an important and controversial component of drug marketing. In this paper we examine one of the claimed benefits of drug advertising: encouraging the undiagnosed to seek out medical treatment. We measure how advertising affects an...