observations. Specifically, these axioms imply that interdependence of preferences ("altruism") results from concerns for the …-givers, altruistic givers, or social pressure givers and use welfare-based altruism to reliably predict giving, sorting, and taking …

cities to conduct a field experiment with roughly 350 donation appeals. We induce spatial differentiation by varying the …

In a n experiment, we test the impact of quality certificates on donation s to a charity. Compared to the control group …

In an experiment, we test the impact of quality certificates on donations to a charity. When presented with a quality …

matching method, some simple theoretical considerations, and evidence from a large-scale natural field experiment on charitable …

large-scale natural field experiment and a laboratory experiment. Similar to findings in the literature, conventional … matching for the same project results in partial crowding out in the field experiment and, as predicted, crowding out is … reduced under the novel matching scheme. The lab experiment provides more fine-tuned evidence for the change in crowding and …

-scale natural field experiment and a laboratory experiment. Similar to findings in the literature, conventional matching for the … same project results in partial crowding out in the field experiment and, as predicted, crowding out is reduced under the … novel matching scheme. The lab experiment provides more fine-tuned evidence for the change in crowding and yields further …

subsequent charitable giving. To do so, we conduct a two-period artefactual field experiment to study repeated donation decisions …

experiment, we explore how thresholds should be chosen depending on past donations. The optimal choice of thresholds is rather …