The Chamberlinian monopolistically competitive equilibrium has been explored and extended in a number of recent papers. These analyses have paid only cursory attention to the existence of an industry outside the Chamberlinian group. In this article I analyze a model of spatial competition in...

This article analyzes the effect of credible capacity limitation on the interaction between an incumbent and an entrant. The prospect of price competition deters entry by a less efficient firm with unlimited capacity. If, however, the entrant practices "judo economics" and limits its capacity...

This paper provides a methodology to analyze the potential benefits and costs of airline mergers. The methodology is applied to the recent merger between North Central Airlines and Southern Airways -- the superior product created by a merger which increases the amount of single-carrier versus...

To say that the price of some good is inflexible over time has little meaning if the "good" is changing over time. In this article, I concentrate on delivery lags as the only dimension other than price that varies. It is shown how one can predict the relative importance of price and delivery lag...