This paper separates market power and efficiency effects of concentration in a sample of 255 U.S. manufacturing industries and computes welfare changes from rises in concentration. The empirical findings reveal that in nearly two-third of the cases, consumers lose as efficiency gains are...

This article decomposes the impact of imports on domestic price-cost margins into separate price and cost effects. Using data from 24 food-processing industries, the empirical results show that although the direct impact of imports on prices is always negative, a positive net impact on...

This article investigates the competition effects of supermarket food and non-food services using fluid milk as a case study. A simultaneous equation model for services and price competition is estimated with scanner data from 16 supermarket chains operating in six U.S. cities. Empirical results...

The <link rid="b2">Berry, Levinsohn, and Pakes (1995)</link> market equilibrium model is extended to the supermarket chain level to examine consumer choices and retail competition for thirty-seven brands of breakfast cereals in Boston. Estimated taste parameters for product characteristics vary significantly across...

The Impact of Wal-Mart Supercenters on Supermarkets’ Profit Margins. XIAOOU LIU (Email: xiaoou2010@gmail.com, School of Agricultural Economics and Rural Development, Renmin University of China, Beijing, China 100872) RIGOBERTO LOPEZ (Professor and Department Head, Department of Agricultural...