2007RePEc: Research Papers in EconomicsOpen access

Heterogeneous Focal Points, Fairness, and Coordination *

Raúl López‐Pérez

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Abstract

In games with multiple equilibria, the fairest equilibrium –in case one exists- may be the obvious solution for some players but not for others, and players can be aware of this heterogeneity. This paper theoretically explores how coordination could be achieved in this case. The model is consistent with abundant experimental evidence and explains, for instance, why (a) the attractiveness of the fair equilibrium, (b) out-of-equilibrium payoffs, (c) dominated strategies, and (d) the number of players and available strategies matter for coordination. The model is compared with alternative equilibrium selection criteria like risk and payoff dominance and ideas for new experiments are suggested.

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In games with multiple equilibria, the fairest equilibrium –in case one exists- may be the obvious solution for some players but not for others, and players can be aware of this heterogeneity. This paper theoretically explores how coordination could be achieved in this case. The model is consistent with abundant experimental evidence and explains, for instance, why (a) the attractiveness of the fair equilibrium, (b) out-of-equilibrium payoffs, (c) dominated strategies, and (d) the number of players and available strategies matter for coordination. The model is compared with alternative equilibrium selection criteria like risk and payoff dominance and ideas for new experiments are suggested.

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Available abstract

In games with multiple equilibria, the fairest equilibrium –in case one exists- may be the obvious solution for some players but not for others, and players can be aware of this heterogeneity. This paper theoretically explores how coordination could be achieved in this case. The model is consistent with abundant experimental evidence and explains, for instance, why (a) the attractiveness of the fair equilibrium, (b) out-of-equilibrium payoffs, (c) dominated strategies, and (d) the number of players and available strategies matter for coordination. The model is compared with alternative equilibrium selection criteria like risk and payoff dominance and ideas for new experiments are suggested.

Key concepts: Equilibrium selection, Coordination game, Risk dominance, Attractiveness, Mathematical economics, Stochastic game, Dominance (genetics), Selection (genetic algorithm)

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