We empirically test implications from location theory using the location of Los Angeles-area gasoline stations in physical space and in the space of product attributes. We consider the effect of demand patterns, entry costs, and several proxies for competition on the tendency for a gasoline...

We empirically test some implications from location theory using the location of Los Angeles area gasoline stations in physical space and in the space of product attributes. We consider the effect of demand patterns, entry costs, and several proxies for competition -- the total number of...

In many recent antitrust cases, manufacturers of complex high-technology equipment have been accused of exercising market power in the sale of proprietary service or parts necessary to maintain the machines they produce. The manufacturer generally concedes that it has market power in selling the...