In this article we evaluate the problems that arise when it comes to the financing of public goods and services. More specifically, we consider the financing of public goods by voluntary contributions. Although economic theory predicts free riding and thus an inefficient provision of the public...

In public goods experiments where subjects may change groups, we observe a continual flight of the more cooperative subjects away from the less cooperative ones. The less cooperative subjects attempt to enter cooperative groups in order to free-ride on their contributions. Lorsque les sujets...