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, and more so the higher the value of the rewards....

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, and more so the higher the value of the rewards....

Individuals often face financial incentives that challenge their desire to behave hon- estly. Strategically making excuses to justify dishonesty allows them to give in to the temptation of financial benefit and retain their moral self-image. In the context of insurance underwriting, the stakes...

We examine the gift exchange hypothesis on both the quantity and quality of output using a hybrid field-laboratory labor market experiment. We recruited participants to enter survey data for a well-known charitable organization. Workers were paid either a high or low wage. We find that although...