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

We show that warm-glow motives in provision by competing suppliers can lead to inefficient charity selection. In these … situations, discretionary donor choices can promote efficient charity selection even when provision outcomes are non …-competitive effect on charity selection, raising the value of charity provision per dollar of funding. …

between social group size and fundraising outcomes: (i) a positive relationship between group size and the total number of …

Much fundraising is done by individuals within existing social groups. Exploiting a unique dataset, we demonstrate (i …

Does online fundraising increase charitable giving? Using the Facebook advertising tool, we implemented a natural field … experiment across Germany, randomly assigning almost 8,000 postal codes to Save the Children fundraising videos or to a pure … substitution and measurement issues. We found that (i) video fundraising increased donation revenue and frequency to Save the …

want to donate a share of their earnings to a charity of their choice. We find that, despite large differences in earnings …

investigates this hypothesis using data from Center on Philanthropy Panel Study (COPPS), the philanthropy module of the Panel Study …

experiment subjects divide 20 euros between themselves and a charity. Some randomly determined participants are induced to wear a …