We run a series of experiments involving over 4,000 online participants and over 10,000
school-aged youth. When individuals are asked to subjectively describe their performance …

We conduct a field experiment to evaluate the effect of extrinsic rewards, both financial and
non-financial, on the performance of agents recruited by a public health organization to …

This paper extends previous literature reviews focusing on fundraising and the mechanisms
motivating charitable giving. We analyze 187 experimental research articles focusing on …

This article explores the use of social signaling as a policy tool to sustainably affect
childhood immunization. In a 26-month field experiment with public clinics in Sierra Leone, I …

How does priming identity affect charitable giving? We show that individuals are more likely
to donate when a facet of their identity associated with a norm of generosity is primed in an …

Why do individuals volunteer their time even when recipients receive far less value than the
donor's opportunity cost? Previous models of altruism that focus on the overall impact of a …

How do stigmatized political preferences become normalized? I argue that the parliamentary
representation of the radical right normalizes radical right support. Radical right politicians …

We conducted a field experiment with the American Red Cross (ARC) to study the effects of
economic incentives on volunteer activities. The experiment was designed to assess local …

Preventive health behaviors like flu vaccination have important benefits, but compliance is
poor, and the reasons are not fully understood. We conducted a large study across six …

Growing literature points to the effectiveness of leveraging social interactions and nudges to
spur adoption of prosocial behaviors. This study investigates a large-scale behavioral …