quality versions of the same product. Hence, our results suggest that, when the innate durability of a product is high, the …-horizon, discrete-time game. Our goal is to identify the Markov perfect stationary equilibria where the seller can maintain his monopoly … power. We establish that the set of parameters supporting a monopoly outcome is larger when the seller offers different …

A monopolist producing vertically differentiated durable goods can offer in each period a sequence of price-quality … menus to segment the market. We show that, contrary to the Coase conjecture for the homogeneous durable good monopoly … that cannot commit to future price-quality menus is bounded below by a strictly positive value independent of the discount …

and expected price-quality offers. The monopolist designs a sequence of price-quality menus to segment the market. We … consider the Markov Perfect Equilibrium (MPE) of a game where the monopolist is unable to commit to future price-quality menus …

period. The paper's main focus is on the question of how the consumer lock-in affects the firms' choice of product durability … inefficiently high level of product durability. …