Journal Of The Econometric Society

An International Society for the Advancement of Economic
Theory in its Relation to Statistics and Mathematics

Edited by: Guido W. Imbens • Print ISSN: 0012-9682 • Online ISSN: 1468-0262

Econometrica: Jan, 1986, Volume 54, Issue 1

On Competitive Market Mechanisms<95:OCMM>2.0.CO;2-Y
p. 95-108

Jean-Pascal Benassy

This paper studies conditions for competitiveness of strategic market games where agents set prices and quantities (a game is said to be competitive if its Nash equilibria are Walrasian). Some necessary conditions are first derived which show that discontinuities in the strategic outcome functions may be an essential element for competitiveness. Then a set of economically meaningful sufficient conditions for competitiveness are derived. These bridge the gap between visions of competition "a la Bertrand" and some recent non-Walrasian concepts.

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