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February 28, 2013
Incomplete Information in Cournot Oligopoly: The Case of Unknown Production CapacitiesPosted by D. Daniel Sokol Jan Richter (Energiewirtschaftliches Institut an der Universitaet zu Koeln) has written on Incomplete Information in Cournot Oligopoly: The Case of Unknown Production Capacities. ABSTRACT: A Cournot oligopoly in which firms face incomplete information with respect to production capacities is studied. For the case where the firms’ capacities are stochastically independent, the functional form of equilibrium strategies is derived. If inverse demand is concave, a unique symmetric equilibrium exists, and if demand is linear, then every equilibrium is symmetric. In the case of duopoly, the impact on social welfare when firms commit ex-ante on exchanging information is analyzed. Sharing information increases expected output and social welfare in a large class of models. If the demand intercept is sufficiently large, sharing information increases producer surplus and decreases consumer surplus (and vice versa).
February 28, 2013 | Permalink
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