Motivated by recent examples of collective effort on the war on terror, we examine the incentives that retaliation may produce for the endogenous formation of an international counterterror coalition. We show that there are quite reasonable circumstances under which any nation that is a target...

Free riding incentives make it difficult to control climate change. To improve the chances of the Paris Agreement's ambitious goal, many nations are forming scientific networks in carbon capture and storage (CCS). These networks take many forms (bilateral, hub-and-spoke, and multilateral)....

We demonstrate that an interregional policy scheme featuring trading of carbon dioxide emissions, redistributive resource transfers and global participation, a scheme which we call 'Ideal Kyoto Protocol', yields an efficient equilibrium allocation for a global economy. An altruistic...