BA in Philosophy, Northwestern University; MSc in Agricultural Economics, Cornell; 1988, PhD in Economics, Harvard. Four years with Agricultural Extension, West Africa, Peace Corps; Director, Project 88. With Harvard University - Kennedy School: Director, Harvard Environmental Economics Program; Director, Graduate Studies for Doctoral Program in Public Policy and Doctoral Program in Political Economy and Government; Co-Chair, Harvard Business School-Kennedy School Joint Degree Programs; Co-Director, Harvard Project on International Climate Agreements. Research Associate, National Bureau of Economic Research. University Fellow, Resources for the Future. Interests: environmental and resource policy issues.