In this study, we consider how gift-exchange and bonus systems function in a natural field setting by measuring the effort response of participants to non-monetary gifts over time. Our field experiment tests the difference in effort response to unconditional gifts delivered immediately, promised...

We study if and how social preferences extend to risky environments. By providing experimental evidence on different versions of “dictator games” with risky outcomes, we establish that social preferences of players who give in standard dictator games cannot be described solely by concerns...

We examine the correlation between the generosity of clinicians – as measured in a laboratory experiment – and the quality of care in their normal practices under three different intrinsic incentive schemes. Specifically, we observe clinicians in their normal work environment, when a peer...