People infer causes and assign responsibilities for situations they find themselves in. In contradiction with classical presumptions about human behavior, it has been found that the assignment of responsibilities influences people's perceptions about the (un)kindness of others. Kindness...

We consider the problem of assigning agents to slots on a line, where only one agent can be served at a slot and each agent prefers to be served as close as possible to his target. Our focus is on aggregate gap minimizing methods, i.e., those that minimize the total gap between targets and...

This paper considers the problem of maximizing social welfare subject to participation constraints. It is shown that for an income allocation method that maximizes a social welfare function there is a monotonic relationship between the incomes allocated to individual agents in a given coalition...