作者：Bandiera, Oriana; Hansen, Stephen; Prat, Andrea; Sadun, Raffaella
作者：Ray, Debraj; Vohra, Rajiv
作者单位：New York University; University of Warwick; Brown University
摘要：A strategic situation with payoff-based externalities is one in which a player's payoff depends on her own action and others' payoffs. We place restrictions on the resulting interdependent utility system that generate a standard normal form, referred to as a game of love and hate. Our central theorem states that every equilibrium of a game of love and hate is Pareto optimal. While externalities are restricted to flow only through payoffs, there are no other constraints: they could be positive ...
