Ineffective fundraising lowers the resources charities can use for goods provision. We combine a field experiment and a … causal machine-learning approach to increase a charity's fundraising effectiveness. The approach optimally targets … fundraising to individuals whose expected donations exceed solicitation costs. Among past donors, optimal targeting substantially …

We conducted two fundraising experiments to study the effects (1) of compassion towards the beneficiary, and (2) of …

a university's first-year students. The analysis combines two experiments: a classroom experiment in which we elicited … literature; and a recruitment experiment that varied information provided in a typical e-mail recruitment procedure for lab … participants. In the recruitment experiment, students were randomly assigned to four conditions that highlighted altruistic motives …

towards immigrants combined with data on ethnic discrimination from a field experiment in the Swedish housing market to re …

of a healthy labeled meal. Our analysis is based on a field experiment in a lunch restaurant and our results imply that … on the menu, does not impact sales of the healthy labelled meal in our experiment. We conclude that supplying tasty …

by this finding, I conduct an intertemporal donation experiment to closely investigate this moderation effect. I design … an experiment that mimics a telephone fundraiser and vary both the timing of the donation (immediate vs. delayed) and the …