Environmental degradation is increasingly causing cross-border displacement of people, but countries have formed no treaties to facilitate collaboration on the issue. When is such collaboration feasible, and how should environmental displacement treaties be designed? We present a game-theoretic...

States often create international institutions that impose legally binding rules on member states, and then do not even attempt to enforce these rules. Why? In this article, we present a game-theoretic model of moribund hard law in international institutions. We show that if some states face...

Clean technology has figured prominently in recent debates on international climate policy. This article offers a game-theoretic investigation of the possibility and effectiveness of strategic technology development: environmental leaders setting policies that reduce the global cost of clean...