reciprocity, altruism, and trust from 80,000 individuals in 76 countries. The data reveal substantial heterogeneity in preferences …

incentive or informational effects, small gifts strongly influence the recipient's behavior in favor of the gift giver, in … particular when a third party bears the cost. Subjects are well aware that the gift is given to influence their behavior but … prominent models of social preferences. We propose an extension of existing theories to capture the observed behavior by …

contrast, Thomas Jefferson and James Madison advocated a policy of "aggressive reciprocity" to force Britain to open its home …

In SIR models, infection rates are typically exogenous, whereas individuals adjust their behavior in reality. City … lifting) matter less when individuals are more patient and altruistic, or exhibit less negative reciprocity. To account for …

costly contracts or expensive reputations. Concurrently, experiments suggest that reciprocity is a potent substitute for law …

question, providing detailed coverage on three key design features of the GATT/WTO: reciprocity, nondiscrimination as embodied …

are insensitive to the precise return to the employer. Turning to reciprocity, we find little evidence of a response to … anything, positive reciprocity in response to monetary ‘gifts' may be larger than negative reciprocity. We revisit the results … reciprocity in these experiments …

reciprocity? We present a signalling model of candidate behavior, where we show that candidates may limit intrinsic reciprocity to …We study how reelection concerns affect reciprocity by elected leaders to the voters who elected them. If showing … past voters to signal congruence with voters important for reelection, and selfish candidates may mimic reciprocal behavior …