Existence of sparsely supported correlated equilibria

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Germano, Fabrizio; Lugosi, Gábor. Existence of sparsely supported correlated equilibria. 2006
http://hdl.handle.net/10230/551

To cite or link this document: http://hdl.handle.net/10230/551

Title:	Existence of sparsely supported correlated equilibria
Author:	Germano, Fabrizio; Lugosi, Gábor
Other authors:	Universitat Pompeu Fabra. Departament d'Economia i Empresa
Abstract:	We show that every finite N-player game possesses a correlated equilibrium with a precise lower bound on the number of outcomes to which it assigns zero probability. In particular, the largest games with a unique fully supported correlated equilibrium are three-player 2x2x2 games; moreover, the lower bound grows exponentially in the number of players N.
Document type:	Working paper
Date:	2006
Rights:	Aquest document està subjecte a una llicència d'ús de Creative Commons, amb la qual es permet copiar, distribuir i comunicar públicament l'obra sempre que se'n citin l'autor original, la universitat i el departament i no se'n faci cap ús comercial ni obra derivada, tal com queda estipulat en la llicència d'ús (http://creativecommons.org/licenses/by-nc-nd/2.5/es/)