systematically refutes the self-interest hypothesis and suggests that many people are strongly motivated by concerns for fairness and … reciprocity. Moreover, several theoretical papers have been written showing that the observed phenomena can be explained in a … insights into the nature of preferences and into the relative performance of competing theories of fairness. The purpose of …

-interest, providing strong evidence for pocketbook voting. However, social preferences like altruism, public good considerations and …

This paper investigates how group membership and competition among trustors interact with trust and trustworthiness in … a laboratory one-shot trust game. To analyze these effects, we apply a 2x2 design. We induce group membership by letting … reduces reciprocity. …

We show that concerns for fairness may have dramatic consequences for the optimal provision of incentives in a moral … concerned about fairness. Conversely, contracts that are doomed to fail when there are only selfish actors provide powerful …

Unfair intentions provoke negative reciprocity from others, making their concealment potentially beneficial. This paper … explores whether people hide their unfair intentions from others and how hiding intentions is itself perceived in fairness … successful against the higher expected punishment when cover up is unsuccessful. In an attempt to better understand fairness …

This paper presents a formal theory of reciprocity. Reciprocity means that people reward kind actions and punish unkind …