There is a longstanding concern that material rewards might undermine pro-social motivations, thereby leading to a decrease in blood donations. This paper provides an empirical test of how material rewards affect blood donations in a three-month large-scale field experiment and a fifteen-month...

There is a longstanding concern that material incentives might undermine prosocial motivation, leading to a decrease in blood donations rather than an increase. This paper provides an empirical test of how material incentives affect blood donations in a large-scale eld experiment spanning three...

In this paper, we propose a decision framework where people are individually asked to either actively consent or dissent to some pro-social behavior. We hypothesize that confronting individuals with the choice of engaging in a specific pro-social behavior contributes to the formation of...

Obesity has become a major health issue. Research in economics has provided important insights as to how technological progress reduced the relative price of food and contributed to the increase in obesity. However, the increased availability of food might well have overstrained will power and...

The enfranchisement of foreigners is likely one of the most controversial frontiers of institutional change in developed democracies, which are experiencing an increasing number of non-citizen residents. We study the conditions under which citizens are willing to share power. To this end, we...

Do emotions affect the decision between change and the status quo? We exploit exogenous variation in emotions caused by rain and analyze data on more than 870,000 municipal vote outcomes in Switzerland to address this question. The empirical tests are based on administrative ballot outcomes and...

We investigate the role of public attention in determining the effect that campaign contributions by interest groups have on legislators' policy positions. We exploit the shock in public attention induced by the Internet service blackout of January 2012 that increased the salience of the...

The U.S. tort system has experienced various reforms during the last three decades. While there is a broad literature on the consequences of these reforms, very little is known about their determinants. In this study, we investigate the politico-economic forces that were driving the reform...

In the face of recent refugee migration, early integration of asylum seekers into the labor market has been proposed as an important mechanism for easing their economic and social lot in the short as well as in the long term. However, little is known about the policies that foster or hamper...

In many European countries, there is an unmissable trend towards stricter tobacco control policies and a parallel reduction in the prevalence of smoking. The extent to which policies promote this latter trend, however, is less clear. We therefore analyze the staggered introductions of smoking...