A note on a Tarski type fixed-point theorem

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作者: Ricci, Roberto Ghiselli
作者机构: Univ Ferrara, Dept Econ & Management, Ferrara, Italy.
语种: 英文
关键词: Fixed-point Theorem;Existence of Nash equilibria;Tarski’s Theorem
期刊: INTERNATIONAL JOURNAL OF GAME THEORY
ISSN: 0020-7276
年: 2021
摘要: In this paper we propose a basic fixed-point theorem for correspondences inspired by Tarski's intersection point theorem. This result furnishes an efficient tool to prove the existence of pure strategy Nash equilibria for two player games with possibly discontinuous payoffs functions defined on compact real intervals.

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A note on a Tarski type fixed-point theorem
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