Consider the simple question 'Imagine you and several others are to share a valuable resource; what allocation would you find maximally unfair?' Recent theoretical and empirical work of Eriksson and Simpson (in press) suggests that responses to this question taps important individual differences...

From a game theoretic point of view, a social norm can sometimes be considered as a Nash equilibrium in a coordination game. Here we point out a psychological reason why such a social norm might erode, even if it is beneficial and agents have rational intentions. The reason is a well-established...