interaction of psychological and economic incentives from academic curiosity to a bona fide academic field. One recent area of … study within this genre that has sparked interest and debate revolves around the "hidden costs" of conditional incentives … to advance our understanding of the economics of charity and test if such "costs" exist in the field. This approach …

We present evidence from a natural field experiment involving nearly 100,000 individuals on the effects of offering … economic incentives for blood donations. Subjects who were offered economic rewards to donate blood were more likely to donate … incentives, combining all of these effects, positively and significantly increased donations, ignoring individuals who took …

laboratory experiment to cleanly fix beliefs about the person's likelihood of being pivotal in reaching a donation threshold that …

interventions targeting sleep. In a field experiment among U.S. university students, we show that incentives for sleep increase both … to five-week post-treatment period. Comparisons to secondary treatments show that immediate incentives have larger … impacts on sleep than delayed incentives or reminders and feedback alone during the treatment period, but do not have …

Whether monetary incentives to change behavior work and how they should be structured are fundamental economic … questions. We overcome typical data limitations in a large-scale field experiment on vaccination (N = 5,324) with a unique … combination of administrative and survey data. We find that guaranteed incentives of $20 increase uptake by 13 percentage points …

one's own contributions (impure altruism) and others contributions (pure altruism). Using multiple data sets from Germany …

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 …

experiment and altruism largely explains why people give …The extant experimental design to investigate warm glow and altruism elicits a single measure of crowd-out. Not … recognizing that impure altruism predicts crowd-out is a function of giving-by-others, this design's power to reject pure altruism …

consumption and donations among individuals. We also conduct an original experiment that enables nonparametric tests of many … donations yield greater explanatory power than the standard model of impure altruism …