We present evidence from a natural field experiment designed to shed light on the efficacy of fundraising schemes in … opera attendees a letter describing a charitable fundraising project organized by the opera house. Recipients were randomly … assigned to treatments designed to explore behavioral responses to linear matching schemes, as well as the mere existence of a …

'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 …

empirically, about the properties of charity auctions. The small theoretical literature suggests that the all-pay auction should … price or all-pay raises the most money. Our experiment suggests that both the all-pay and second price formats are dominated … difference between existing theory and the field. To conclude, we show that a model of charity auctions augmented by an …

We study how website defaults affect consumer behavior in the domain of charitable giving. In a field experiment that …

There has been little systematic study of the mechanisms typically used to raise money for charity. One of the most … 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 …

We measure willingness to pay for privacy in a field experiment. Participants were given the choice to buy a maximum of …

This study designs a natural field experiment linked to a controlled laboratory experiment to examine the effectiveness … of matching gifts and challenge gifts, two popular strategies used to secure a portion of the $200 billion annually given … to charities. We find evidence that challenge gifts positively influence contributions in the field, but matching gifts …

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 …