This article considers a durable goods monopolist's choice of price and durability in a setting where durability choice controls the speed with which quality deteriorates. The article derives three main results. First, the price at which old units trade on the secondhand market limits what the...

By investing in R & D, a durable-goods monopolist can improve the quality of what it will sell in the future, and in this way reduce the future value of current and past units of output. This article shows that if the firm sells its output, then it faces a time inconsistency problem, i.e., the R...

Software firms often remove some functions of his product and sell the damaged version at a lower or zero price. This paper extends Hahn's functional degradation model into a continuous type framework, derives the conditions for introducing the read-only version, and the conditions for selling...

Complexity science is widely used across the policy spectrum but not in antitrust. This is unfortunate. Complexity science enables a rich understanding of competition beyond the simplistic descriptions of markets and firms proposed by neoclassical models and their contemporary neo-Brandeisian...

We construct a two-period model of the supply chain's openness in a durable goods market by introducing two marketing modes: leasing and selling. Given a marketing mode, at the beginning of the first period, an incumbent supplier and the downstream monopolist choose one of the trading modes: (i)...