Principal-Agent (P-A) theory sees the fact of delegation as defining a relationship be-tween states (collective Principals) and international organizations (Agents) with recon-tracting threats being the predominate way states influence IOs. Developing a category of Trustee-Agents, I argue that...

The Kyoto Protocol's success or failure should be evaluated against the unobserved counterfactual of no treatment. This requires instrumental variables. We find that countries' membership in the International Criminal Court (ICC) predicts Kyoto ratification in a panel model. Both multilateral...