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 present results from a field experiment, designed to measure worker response to a monetary gift from their employer. The experiment took place inside a tree-planting firm paying its workforce incentive contracts. Firm managers told a crew of tree planters they would receive a pay raise for...