Substantial evidence has been accumulated in recent empirical works on the limited ability of the Nash equilibrium to rationalize observed behavior in many classes of games played by experimental subjects. This realization has led to several attempts aimed at finding tractable equilibrium concepts which perform better empirically, often by introducing a reference point to which players compare the available payoff allocations, as in impulse balance equilibrium (Selten & Chmura, forthcoming) and in the inequity aversion model (Fehr & Schmidt,1999). The purpose of this paper is to review some features of this recent literature and to propose a new, empirically sound, unifying concept which combines elements of fairness with reference considerations.
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Paper provided by University Library of Munich, Germany in its series MPRA Paper with number
7760.