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A Framework For Community-Based Salience: Common Knowledge, Common Understanding And Community Membership

Author

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  • Cyril Hédoin

    (REGARDS - Recherches en Économie Gestion AgroRessources Durabilité Santé- EA 6292 - URCA - Université de Reims Champagne-Ardenne - MSH-URCA - Maison des Sciences Humaines de Champagne-Ardenne - URCA - Université de Reims Champagne-Ardenne)

Abstract

This article presents a community-based account of salience as an alternative and a complement to the ‘natural salience' approach which is endorsed by almost all game theorists who use this concept. While in the naturalistic approach, salience is understood as an objective and natural property of some entities (events, strategies, outcomes), the community-based account claims that salience is a function of community membership. Building on David Lewis's theory of common knowledge and on some of its recent refined accounts, I suggest that salience acts as a correlating device in a correlated equilibrium. What is constitutive of salience is common understanding, the fact that agents have common knowledge that they share the same modes of reasoning with respect to a well-identified set of events. I argue that the basis for common understanding is community membership. The relevance of this account stems from the fact that it answers the objection that salience is either unnecessary or unable to account for coordination between rational agents.

Suggested Citation

  • Cyril Hédoin, 2014. "A Framework For Community-Based Salience: Common Knowledge, Common Understanding And Community Membership," Post-Print hal-02866186, HAL.
    • Handle: RePEc:hal:journl:hal-02866186
    DOI: 10.1017/S0266267114000261
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    Cited by:

    1. Cyril Hédoin, 2016. "Community-Based Reasoning in Games: Salience, Rule-Following, and Counterfactuals," Games, MDPI, vol. 7(4), pages 1-17, November.
    2. Lauren Larrouy & Guilhem Lecouteux, 2018. "Choosing in a Large World: The Role of Focal Points as a Mindshaping Device," Working Papers halshs-01923244, HAL.
    3. Lauren Larrouy, 2015. "Revisiting Methodological Individualism in Game Theory: The Contributions of Schelling and Bacharach," GREDEG Working Papers 2015-14, Groupe de REcherche en Droit, Economie, Gestion (GREDEG CNRS), Université Côte d'Azur, France.

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