This paper measures the degree of monopsony power exerted by Wal-Mart over retail workers using a dominant-firm model and data in the 48 contiguous U.S. states for counties where the company operates, presenting for the first time a measure of the company’s anticompetitive behavior. Empirical...

Despite considerable debate as to Wal-Mart’s impact on retail workers, to date there has been little structural analysis on the topic. This paper measures and tests for Wal-Mart’s monopsony power in local labor markets using a dominant-firm model and data on contiguous U.S. counties where...

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...

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...

Despite considerable debate as to Wal-Mart’s impact on retail workers, to date there has been little structural analysis on the topic. This paper measures and tests for Wal-Mart’s monopsony power in local labor markets using a dominant-firm model and data on contiguous U.S. counties where...

This paper investigates the effect of in-store services on retail food prices, supermarket competition, and demand using fluid milk as a case study. It is shown that higher-service supermarkets charge higher milk prices essentially because of an increase in market power due to differentiation of...