This paper develops a model of pricing to deter entry by a sole supplier of a network good. The authors show that the installed user base of a network good can serve a preemptive function similar to that of an investment in capacity if the entrant's good is incompatible with the incumbent's good...

Firms sometimes try to "poach" the current customers of their competitors by offering them special inducements to switch. The authors analyze duopoly poaching under both short-term and long-term contracts in two polar cases: either each consumer's brand preferences are constant from one period...

This paper studies the monopoly pricing of overlapping generations of a durable good. We focus on two sorts of goods: those with an active second-hand market and anonymous consumers, such as textbooks, and gods such as software, where there is no second-hand market and consumers are...