Many businesses provide aftermarket services, including parts, maintenance, consulting, upgrades and modifications to durable consumer and business equipment. We investigate the effect on the original equipment manufacturer and on consumers if the manufacturer is the only (monopoly) service...

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...

A number of private colleges and universities have chosen not to compete for students by offering merit-based financial aid. In addition, until 1990 many of these schools jointly calculated a student's financial need. I theoretically and empirically analyze the effects of different financial aid...