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

warm-glow motive. Second, the paper confirms the economic relevance of reciprocity by using field data. This extends the … current body of research on reciprocity, which is almost exclusively confined to laboratory studies. …

theories of fairness and reciprocity capture these forces. We find that cooperators' punishment is almost exclusively targeted …

respond in-kind to hostile or kind actions. Little is known, however, about: (i) the prevalence of reciprocity in the … population, (ii) individual determinants of reciprocity, (iii) the correlation between positive and negative inclinations within … inclinations, in particular in terms of positive reciprocity. However, there is substantial heterogeneity in the degree of …

of reciprocity and repeated game incentives in two treatments (one-shot and repeated) of a gift-exchange game. In both … treatments we observe reciprocity, which is strengthened in the repeated game. A detailed analysis shows that in the repeated … game some subjects imitate reciprocity. Thus, reciprocity and repeated game incentives reinforce each other. Observed …

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