On the nonemptiness of approximate cores of large games

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Nizar Allouch, Myrna Wooders
Economic Theory
Issue number: 
January 2017, Volume 63, Issue 1
Journal pages: 
We provide a new proof of the nonemptiness of approximate cores of games with many players of a finite number of types. Earlier papers in the literature proceed by showing that, for games with many players, equal-treatment cores of their “balanced cover games,” which are nonempty, can be approximated by equal-treatment εε -cores of the games themselves. Our proof is novel in that we develop a limiting payoff possibilities set and rely on a fixed point theorem.
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