While commitment devices such as defaults and direct deposits from wages have been found to be highly effective to increase savings, they are unavailable to the millions of people worldwide who not have a formal wage bill. Self-help peer groups are an alternative commitment device that is...

People’s value for their own time is a key input in evaluating public policies: evaluations should account for time taken away from work or leisure as a result of policy. Using rich choice data collected from farming households in western Kenya, we show that households exhibit non-transitive...

Die soziale Integration von Flüchtlingen kann einen substanziellen Beitrag zu deren ökonomischer Integration leisten, häufig sind negative Einstellungen der Bevölkerung gegenüber ethnischen Minderheiten aber ein Schlüsselfaktor für Integrationsprobleme. Die Förderung ehrenamtlichen...

Until now, the dominant belief concerning the relationship between poverty and risk aversion is that the poor are more risk averse. If the poor are more risk averse, then they will choose “low risk-low return” activities that trap them in poverty. However, both empirical and experimental...

This paper describes a randomized field experiment testing the impact of a savings competition on the behavior of homeless individuals staying at a transitional shelter. When monetary prizes were offered for achieving the highest saving rates within a particular month, average savings increased...

We exploit testing data to gain a better understanding of the influence of framing effects on decision-making and performance when facing risk. In a randomized field experiment we modified the framing of grading instructions of multiple-choice tests. In the business-as-usual framing (BAU...

Public speaking is an important skill for career prospects and for leadership positions, but many people tend to avoid it because it generates anxiety. We run a field experiment to analyze whether in an incentivized setting men and women show differences in their willingness to speak in public....

I estimate the effects of collaborative and adversarial intergroup contact. I randomly assigned Indian men from different castes to participate in cricket leagues or to serve as a control group. League players faced variation in collaborative contact, through random assignment to...

Calling to thank donors is a key fundraising strategy in the non-profit sector. Yet the effectiveness of these calls remains untested. We report on field experiments with public television stations and a national non-profit in which new donors were randomized to receive a thank-you call or not....

Mainland China underwent significant institutional changes in the 1980s, when most villages transitioned from collectivism to individualism. As one of the exceptions, Yakou Village is called "the last people's commune in China". Conducting a lab-in-field experiment, we compared the social and...