One of the key issues for understanding reciprocity is how people evaluate the kindness of an action. In this paper we … to extrinsic motivation. Our results indicate that reciprocity is significantly stronger when extrinsic motivation can be … action matters for its perceived kindness and, as a consequence, for reciprocity. …

: social indirect reciprocity is indeed found to be signif- icantly stronger when strategic motivations cannot be ruled out. We …

Intention-based models of reciprocity argue that people assess kindness by measuring the intended consequences of … alternatives and realized payoffs. Aggregate results suggest that intended consequences only weakly matter for negative reciprocity …

reciprocity. The experiment implements sequences of two types of extensive form games called Punishment games and Trust games. The …

non-binding agreements beforehand. The results refute the concept of rationality and support the impact of reciprocity and … retribution, where retribution is more compelling than reciprocity. The equal division principle is the dominant fairness norm …