Choosing between selfish and non-selfish behavior in real life is a repeated decision with var-ying time spans between repetitions. To learn more about the dynamics of altruistic behavior, we use repeated standard dictator experiments. The dynamics of prosocial behavior in these experiments...

Repeated experiments with a time span of one week between repetitions are used in order to test two related hypotheses. The first is the moral self-licensing effect, which describes people's tendency to allow themselves to act more selfishly on the back of previous prosocial or selfless...

To examine the effect of group size on the stability of prosocial behavior we used standard one-shot public good experiments with two and four subjects, which were conducted repeatedly three times at intervals of one week. Partner and stranger treatments were employed to control for group...