I model the ocean as an array of lines set within a two-dimensional frame, and show how the Exclusive Economic Zone emerged as an equilibrium in customary international law. I find that custom codifies the efficient Nash equilibrium of enclosure for nearshore fisheries. For highly migratory and...

Barrett provides a thought provoking introduction to the issues surrounding the provision of global public goods. Using a variety of examples to illustrate past successes and failures, he shows how international cooperation, institutional design and the clever use of incentives can work together...