expectations of future profits which, in turn, depend on the nature of competition within the market. In this paper we estimate a … by potential entrants, fixed costs faced by incumbent producers, and the toughness of short-run price competition are all … as if the firm operated in a duopoly …

We study the efficiency of oligopoly equilibria in congested markets. The motivating examples are the allocation of … network flows in a communication network or of traffic in a transportation network. We show that increasing competition among …

failure to observe homogeneous product Bertrand oligopoly, while homogeneous product Cournot oligopoly has significant …

We study the efficiency of oligopoly equilibria in a model where firms compete over capacities and prices. The … demands across the firms. We first establish the existence of pure strategy subgame perfect equilibria (oligopoly equilibria … oligopoly equilibria of this game can be arbitrarily low. However, if the best oligopoly equilibrium is selected (among multiple …

from trade under Bertrand and Cournot oligopoly. Firms differentiate their products to mitigate competition, but only if … and results in a greater difference between products under Bertrand than Cournot competition. In our model, trade in … homogeneous products never takes place under Bertrand competition: Bertrand firms export only if they differentiate their products …

Empirical studies have found that enhanced foreign competition can encourage or discourage innovation. To address this …

The nature, and normative properties, of competition in health care markets has long been the subject of much debate …. In particular, policymakers have exhibited a great deal of reservation toward competition in health care markets, as … care markets, concern about reduced competition has arisen. This concern, however, cannot be properly evaluated without a …