This article employs weekly time series data on the Joint Executive Committee railroad cartel from 1880 to 1886 to test empirically the proposition that observed prices reflected switches from collusive to noncooperative behavior. An equilibrium model of dynamic oligopoly with asymmetric firms,...

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 article demonstrates that when consumers are offered a choice between pickup and delivery, a firm can increase profits relative to the case when no choice is tendered, as in the mill or uniform spatial pricing models. Further, this choice yields a lower level of welfare than that obtained...