Title: On the existence of Bayesian Cournot equilibrium
Abstract: We show that when firms have asymmetric information about the market demand and theirs costs, a (Bayesian) Cournot equilibrium in pure strategies may not exist, or be unique. In fact, we are able to construct surprisingly simple and robust examples of duopolies with these features. However, we also find sufficient conditions for existence, and for uniqueness, of Cournot equilibrium in a certain class of industries. More general results arise when negative prices are possible.
Publication Year: 2007
Publication Date: 2007-02-01
Language: en
Type: preprint
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