We investigate the determinants of giving in a lab-in-the-field experiment with large stakes. Study participants in … that must be in cash. Qualitative post-experiment responses suggest that this effect is driven by a desire to control how …

We study with a sample of 1,070 primary school children, aged seven to eleven years, how altruism in a donation … experiment is related to children's risk attitudes and intertemporal choices. Examining such a relationship is motivated by … theories of reciprocal altruism that provide a cornerstone to understand human social behavior. We find that higher risk …

There is now an extensive literature on "gift exchange" showing that when principals and agents can trade "gifts … hypothesized and examined in theory and experiments, the literature is largely silent on the comparison. I report the results of a … field experiment that compares the principal-first and agent-first orderings to each other and a gift-less control …

We present results from a field experiment testing the gift-exchange hypothesis inside a tree-planting firm paying its …

Using data on the valuation of Christmas gifts received by students in different fields at a German university, we … significant lower WTP and WTA, indicating that existing studies on the efficiency loss of holiday gifts and experimental studies …

colleagues, which in turn creates co-worker altruism. We study how financial incentives for productive activities can improve or …