paper, we conduct laboratory experiments in which we explore the motivations for and the effects of group identity. We find …

-world organizations we employ a controlled experiment. Our data provide clear evidence that agents’ behavior is not only guided by …

theories of fairness and reciprocity capture these forces. We find that cooperators’ punishment is almost exclusively targeted … between different fairness principles. Fairness theories that are based on the assumption that players compare their own … the defectors. Fairness theories assuming that players aim to minimize payoff inequalities cannot explain the fact that …

We study the intrapersonal relationship between trust and reciprocity in a laboratory experiment. Reciprocal subjects …

To investigate the external validity of Ultimatum and Dictator game behavior we conduct experiments in field settings …

We develop a new experiment to study the emergence of welfare-reducing bilateral alliances within larger groups, and … of our experiments, a player (the 'allocator') nominates one of three others as a co-worker (the 'receiver'), which deter …

report on the results of an experiment designed to evaluate two distinct explanations for this phenomenon, indignation and …

altruism. Instead, we posit that social reciprocity is a triggered normative response. Our experiment confirms the existence of …

behavior is almost non-existent. We study sabotage in tournaments in a controlled laboratory experiment and are able to confirm …