This paper develops two brand-level demand models, where prices are treated as endogenous, to estimate unilateral market power in a representative product-differentiated oligopolistic food market. The results are estimated using point-of-purchase scanner data and are used to quantify the impact...

This research evaluates the effects of entry by supercenters and warehouse club retailers on the location of retail grocery sales. Drawing on location theory and empirical works, spatial econometric convergence models are specifi ed and estimated. Because grocery shopping is generally a local...