Intrinsic motivation is shaped by attitudes towards others. In spite of their potential relevance for policy design, identifying individual preference types beyond population distributions remains a challenge. We use data from a common pool resource (CPR) game in the fi eld (935 individuals, 25%...

The paper explores the prospects for international environmental cooperation in a context of limited enforcement, if we allow for side-payments between countries and sequential moves in the implementation of the agreement. The framework of the analysis is a static model of heterogenous countries...