This paper models transnational terrorism as a three-way strategic interaction involving a government that faces armed opposition at home, which may spill over in the form of acts of terrorism by the state's opponents against the government's external sponsor. The external sponsor also utilises...

We analyze the implication of different allocation schemes of CO2-emission permits for stability and the success of international climate agreements. Our model combines a game theoretical with an empirical module that comprises 12 world regions and captures important dynamic aspects of the...

This paper models transnational terrorism as a three-way strategic interaction involving a government that faces armed opposition at home, which may spill over in the form of acts of terrorism by the state’s opponents against the government’s external sponsor. The external sponsor also...

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...