's contacts. However, results from a field experiment where broadcasting of the initial pledges was randomized suggest that the … observational findings were likely due to homophily rather than genuine social contagion effects. The experiment also shows that … (30 out of 6.4 million users reached) were made. Finally, an online survey experiment showed that both the presence of an …

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 …

representative behavioral data from a social dilemma experiment. We identify which survey questions intended to elicit people's trust … correlate well with behaviorally exhibited trust in the experiment. People above the age of 65, highly skilled workers and …

experiment randomly assigning participants to four raffle treatments to examine the effectiveness of alternative incentive … revenue gains are available on both margins. Our experiment, and others like it, illustrates the power of field experiments to … inform fundraising choices. …

This study designs a natural field experiment linked to a controlled laboratory experiment to examine the effectiveness …

We study exchanges between three overlapping generations with non-dynastic altruism. The middleaged choose informal …

We examine differences in altruism and laziness between public sector employees and private sector employees. Our … theoretical model predicts that the likelihood of public sector employment increases with a worker's altruism, and increases or … decreases with a worker's laziness depending on his altruism. Using questionnaire data from the German Socio-Economic Panel …

the donor (impure warm-glow altruism). Consistent with the model's predictions, the experiment shows that priming pure …. In the model agents receive heterogeneous utility from pure and impure altruism (Andreoni 1989) that permits warm glow to … vary between monetary donations and volunteering, thus allowing preferences for impure altruism to rationalize inefficient …