Do the insights into human behavior generated by laboratory experiments hold outside the lab? This is the crucial question of external validity that naturally troubles both experimentalists and their critics. We address this question by adopting Popper's injunction that hypotheses should be...

To investigate the external validity of Ultimatum and Dictator game behavior we conduct experiments in field settings with naturally occurring variation in "social framing." Our participants are students at Middlebury College, non-traditional students at Kansas City Kansas Community College...

Aversion to "stigma" - disutility associated with a program or activity due to beliefs about how it is perceived - may affect labor market choices and utilization of social programs, but empirical evidence of its importance is scarce. Using two randomized field experiments, we show that stigma...

We conduct an experimental study among European citizens regarding cross-cultural perceptions related to trust in two dimensions: volunteerism and honesty. We use representative samples from five major economies of the Euro area: France, Germany, Italy, the Netherlands, and Spain. We find that...