The equity core and the core

Cori Vilella (cori.vilella@urv.cat)
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Cori Vilella: Universitat Rovira i Virgili

Economics Bulletin, 2014, vol. 34, issue 1, 313-323

Abstract: In this paper we study the equity core (Selten, 1978) and compare it with the core. A payoff vector is in the equity core if no coalition can divide its value among its members proportionally to a given weight system and, in this way, give more to each member than the amount he or she receives in the payoff vector. We show that the equity core is a compact extension of the core and that, for non-negative games, the intersection of all equity cores with respect to all weights coincides with the core of the game.

Keywords: Cooperative game; equity core; equal division core; core. (search for similar items in EconPapers)
JEL-codes: C7 (search for similar items in EconPapers)
Date: 2014-02-28
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