experiment during the Salvation Army's annual campaign. The familiar bell-ringers were placed at one or both of two main … awareness of the empathy-altruism link, rather than pernicious social costs of fundraising …

confirm that the cost of intertemporally substituting activities is increasing over time: when alerts are issued on two …, reset these costs. Our findings imply that a time-varying decision rule that accounts for multiple day air quality forecasts …

end of the experiment. Subjects exhibit strong preferences for donating time even when differential wage rates make it …Why do individuals volunteer their time even when recipients receive far less value than the donor's opportunity cost …, subjects demonstrate behavior consistent with the theoretical assumption that gifts of time produce greater utility than the …

Despite the increasing use by charities, significant uncertainty exists about optimal online fundraising mechanisms …, especially when large donor pools show substantial heterogeneities. We use an online natural field experiment with over 700 … given money and/or volunteered. For example, framing the charity's membership price as a discount increases response rates …

to advance our understanding of the economics of charity and test if such "costs" exist in the field. This approach …

consumption and donations among individuals. We also conduct an original experiment that enables nonparametric tests of many …

Theories abound for why individuals give to charity. We conduct a field experiment with donors to a Yale University … theories, we conduct a laboratory experiment with undergraduates, and find no evidence to support the alternative, altruistic …

We present a dictator game experiment where the recipients are local charities that serve the poor. Donors consist of … firm, Knowledge Networks. We randomly manipulate the perceived race and worthiness of the charity recipients by showing … respondents an audiovisual presentation about the recipients. The experiment yields three main findings. First, we find …

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

We motivate this paper with a puzzle. When we asked subjects to give five dollars to charity today, about 30 percent … models of self-control cannot explain this time-inconsistent charitable giving. This suggests a new approach is needed for …