My research focuses on the effects of taxes and environmental policy. It is mostly applied theory, with some empirical and computational work. I have a definite preference for normative topics (for non-economists, this means that I'm more interested in what government policy ought to be than in what its effects are, though obviously one needs to know the answer to that second question in order to answer the first).
Copies of my working papers
I am a research associate of the National Bureau of Economic Research. Their web site includes a list of my papers in the NBER working paper series.
I'm also a co-editor of the Journal of Environmental Economics and Management, an associate editor of the Journal of Public Economics, and a member of the editorial board of the Berkeley Journals in Economic Analysis and Policy.