Cooperation in international environmental agreements appears difficult to attain because of strong free riding incentives. This paper explores how different technology spillover mechanisms among regions can influence the incentive structures to join and stabilize an international agreement. We...

In this paper we report results from a comparison of numerically calibrated game theoretic integrated assessment models that explore stability and performance of international coalitions for climate change mitigation. Specifically, by means of this ensemble of models we are able to identify...