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 … with Bertrand than Cournot competition due to greater product differentiation and more aggressive pricing, but higher …

failure to observe homogeneous product Bertrand oligopoly, while homogeneous product Cournot oligopoly has significant … such investments is an order of magnitude less for Bertrand firms than for Cournot firms. Thus there is a wide range over … which Bertrand firms differentiate their products but Cournot firms do not. If Cournot firms do choose to differentiate …

marginal costs nonparametrically, allow for unobserved firm heterogeneity, and nest a variety of equilibrium oligopoly models …) intuition for empirically discriminating between alternative models of oligopoly competition …

improvement. In a duopoly model with a single adoption choice, we derive endogeneously the level and diversity of product …

oligopoly. This paper proposes a non-cooperative foundation for “Nash-in-Nash” bargaining that extends the Rubinstein (1982 …