This dissertation consists of three experimental studies that aim at contributing to a better understanding of behavior within contractual relationships—in particular, if information asymmetries, incentive issues and a lack of formal institutions make exchange more difficult and risky....

The studies in this thesis investigate some of the effects of humanitarian aid and the production of natural resources in developing countries. The studies suggest that these free lunchesʺ can have negative (unintended) consequences. Even though it achieves its goal of increasing food...