Best response equivalence

概要

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Two games are best-response equivalent if they have the same best-response correspondence. We provide a characterization of when two games are best-response equivalent. The characterizations exploit a dual relationship between payoff differences and beliefs. Some "potential game" arguments [Games Econ. Behav. 14 (1996) 124] rely only on the property that potential games are best-response equivalent to identical interest games. Our results show that a large class of games are best-response equivalent to identical interest games, but are not potential games. Thus we show how some existing potential game arguments can be extended. (C) 2004 Elsevier Inc. All rights reserved.
Elsevier Scienceの論文