Bachelor, Amherst College, Massachusetts, 1975. Master of Science, University Massachusetts, Amherst, 1984. Doctor of Philosophy, Harvard University, Cambridge, Massachusetts, 1988.
Assistant professor Princeton University, New Jersey, 1988—1994. Professor, economic Tufts University, Medford, Massachusetts, since 1994. Research associate National Bureau Economic Research, Cambridge, since 1988.
Visiting scholar Massachusetts Institute of Technology Joint Program on the Science and Policy of Global Change, 2000—2001. Member, board editors American Economic Review, 2000—2006, Berkley Electronic Journals in Economic Analysis and Policy, since 2001. Associate editor Journal Economic Perspectives, since 2008.
Member of National Tax Association, International Association for Energy Economics, Association Environmental and Resource Economics, American Economic Association.
Married Rebecca Winborn, March 20, 1982. Children: Simon Winborn, Calvin Winborn.