This paper experimentally explores how the enforcement of cooperative behavior in a social dilemma is facilitated through institutional as well as emotional mechanisms. Recent studies emphasize the importance of negatively valued emotions, such as anger, which motivate individuals to punish free...

We analyze a simple model of local public good provision in a country consisting of a large number of heterogeneous regions, each comprising two districts, a city and a village. When districts remain autonomous and local public goods have positive spillover effects on the neighbouring district,...

A firm may induce voters or elected politicians to support a policy it favors by suggesting that it is more likely to invest in a district whose voters or representatives support the policy. In equilibrium, no one vote may be decisive, and the policy may gain strong support though the majority...

This discussion paper resulted in an article in the <I>Journal of Development Economics</I> (2013). Volume 103, pages 43-51.<P> To raise school attendance, many programs in developing countries eliminate orreduce private contributions to education. This paper documents an unintendednegative effect of such...</p></i>

This discussion paper resulted in an article in <I>Economics of Education Review</I>. Volume 38, pages 51-63.<P> Recent studies for primary and secondary education find positive effects of the share of girls in the classroom on achievement of boys and girls. This study examines whether these results can...</p></i>

We apply theories of capital market failure to ana1yzeoptima1 financing of risky higher education. In the market solution,students can only finance their education through debt. There isunderinvestment in human capita1, because some students with socia1lyprofitable investments in human capita1...

This discussion paper led to a publication in <A href="http://www.sciencedirect.com/science/article/pii/S0272775711001427">'Economics of Education Review'</A>, 31(1), 33-44.<p>Policies need not only to be well designed to effectively address market failures, but their parameters also need to be part of agents’ information sets. This is illustrated by government student loans...</p></a>

We explore how public opinion polls affect candidates' campaign spending in political competition. Generally, polls lead to (more) asymmetric behavior. Under a majority rule there always exists an equilibrium in which the initially more popular candidate invests more in the campaign and thereby...