corresponding psychological mechanisms that inform these preferences in laboratory games? Empathy and Theory of Mind (ToM) are …

hopes of being rewarded later with a reciprocal gift. In a lab experiment, we find evidence of such favor trading. We also …

-social. In a laboratory experiment, we combine a rotating or alternating asymmetry in payoffs with varying levels of information … welfare. We also see both anti-social and pro-social favor trading, particularly when coalition-forming is easier. Favor …

. Consistent with our hypothesis, we find that trait self-control exhibits a positive and significant correlation with pro-social …

. Consistent with our hypothesis, we find that trait self-control exhibits a positive and significant correlation with pro-social …

We report the results of a combination of a dictator experiment with either a "social planner" or a "veil of ignorance …" experiment. The experimental design and the analysis of the data are based on the theoretical framework proposed in the companion … Agreement and Symmetry axioms proposed in BHH; we find that for 80% of participants the evidence is very strong. The experiment …

relationships based on reciprocity. We test whether relational models theory can explain altruism in the dictator game, a standard … contradict the common economic assumption that people maximize their own payoffs. Here we take the approach that human altruism … theory which distinguishes between communal relationships based on need, authority relationships based on power, and trade …

This study investigates whether individuals engage in prosocial behavior when it requires their time but not money. In … a lab experiment with rigorous anonymity arrangements, subjects receive their payoff beforehand and can engage in a …