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Uniqueness of Cournot Equilibrium: New Results From Old Methods

Gérard Gaudet () and Stephen Salant ()

Review of Economic Studies, 1991, vol. 58, issue 2, 399-404

Abstract: This paper provides sufficient conditions for the existence of a unique Cournot equilibrium. Previous uniqueness results have depended on an assumption of non-degeneracy of equilibrium. As we illustrate, this assumption often fails in multi-stage games with proper Cournot subgames. Since our uniqueness results do not depend on this assumption, they are more widely applicable.

Date: 1991
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Related works:
Working Paper: UNIQUENESS OF COURNOT EQUILIBRIUM: NEW RESULTS FROM OLD METHODS (1988)
Working Paper: UNIQUENESS OF COURNOT EQUILIBRIUM: NEW RESULTS FROM OLD METHODS (1988)
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