lifting) matter less when individuals are more patient and altruistic, or exhibit less negative reciprocity. To account for …

reciprocity, altruism, and trust from 80,000 individuals in 76 countries. The data reveal substantial heterogeneity in preferences …

highlighting the role of reputation mechanisms in sustaining cooperation. Reputational concerns can deter defection in one … cooperation within a group, we show theoretically that interactions of individuals from a punishment-based culture with those from … a culture of image scoring can lead to widespread inter-group tensions. Mutual cooperation is a more likely outcome if …

. We engage 745 individuals in a field experiment with three arms: (1) a control arm, (2) a weekly cash arm, and (3) a …

-theoretic classroom competition model and data from the resettlement of Southeast Asian refugees in the US. The paper finds that variation …

We study out-group biases in attitudes toward refugees, and the effect of European Union (EU) immigration policies on … these views, using an online survey experiment including 4,087 Italian participants. We assess attitudes using donations to … a randomly assigned group: Italian victims of violence or refugees fleeing wars in Ukraine or African countries. We also …

We report the results of an online experiment studying preferences for giving and preferences for group …

To understand the "pure" incentives of altruism, economic laboratory research on humans almost always forbids … communication between subjects. In reality, however, altruism usually requires interaction between givers and receivers, which … altruism are built on human sociality. We experimentally examine communication in which one subject allocates $10 between …

altruism or warm glow, and individuals would rather not give but dislike saying no, e.g., due to social pressure. We design a … important determinant of door-to-door giving. Combining data from this and a complementary field experiment, we structurally …

We present a dictator game experiment where the recipients are local charities that serve the poor. Donors consist of … respondents an audiovisual presentation about the recipients. The experiment yields three main findings. First, we find …