in which reciprocity yields privately and socially optimal levels of cooperation, this paper identifies the conditions … under which reciprocity generates inefficient cooperation. Two groups of cases are presented. In one group reciprocity …Reciprocity constraints facilitate the achievement of cooperative outcomes in many game-theoretic settings. Yet, in …

This paper surveys recent experimental and field evidence on the impact of concerns for fairness, reciprocity and … altruism on economic decision making. It also reviews some new theoretical attempts to model the observed behavior. …

reciprocity. Moreover, several theoretical papers have been written showing that the observed phenomena can be explained in a …

refutes the self-interest hypothesis, suggesting that concerns for altruism, fairness, and reciprocity strongly motivate many … neuroeconomic evidence that is consistent with the view that many people have a taste for mutual cooperation and the punishment of … norm violators. We further illustrate the powerful impact of fairness concerns on cooperation, competition, incentives, and …

. Strong reciprocity means that people willingly repay gifts and punish the violation of cooperation and fairness norms even in … reciprocity only if it is viewed as maladaptive behavior whereas the evidence suggests that it is an adaptive trait. Thus, we …In recent years a large number of experimental studies have documented the existence of strong reciprocity among humans …

. Strong reciprocity means that people willingly repay gifts and punish the violation of cooperation and fairness norms even in … reciprocity only if it is viewed as maladaptive behavior whereas the evidence suggests that it is an adaptive trait. Thus, we …In recent years a large number of experimental studies have documented the existence of strong reciprocity among humans …

(norm obedient) cooperation inside the lab -- even if social connotations are reduced to a minimum and cooperative behaviour … behavioural patterns in repeated interaction. Thus, adding to earlier arguments which explain such cooperation, for example, by …