|Senior Economist, Council of Economic Advisors, 2007-2008|
Lecturer, Advanced Academic Programs, Johns Hopkins University, 2007-Present
Visiting Assistant Professor, Gettysburg College, 2000-2001
Consultant, World Bank, 1993-1996
Research Assistant, Interindustry Forecasting Project at the University
of Maryland, 1990-1993
|"Evaluating the Effectiveness of EPA Voluntary Programs: An Examination of the Strategic Goals Program for Metal Finishers" (with Keith Brouhle and Ann Wolverton). Journal of Environmental Economics and Management, 57(2): 166-18, (2009).|
"A Comparison of the Monetized Impact of IQ Decrements from Mercury Emissions"
(with Al McGartland and Maggie Miller), Environmental Health Perspectives; 115(6): 841-847, 2007.
“Clean Water, Ecological Benefits, and Benefits Transfer: A Work in Progress at the U.S. EPA” (with Rich Iovanna). Ecological Economics, 60(20):473-482.
"The Use of Voluntary Approaches for Environmental Policymaking in the U.S.” (with Keith Brouhle, and Ann Wolverton), The Handbook of Environmental Voluntary Agreement;s E. Croci, ed. Kluwer Academic Publisher (2005).
“Risk Assessment for Benefits Analysis: Framework for Analysis of a Thyroid-Disrupting Chemical” (with Daniel Axelrad, Karl Baetcke, Chris Dockins, Richard Hill, Patricia Murphy, Nicole Owens, Nathalie Simon, and Linda Teuschler). Journal of Toxicology and Environmental Health, Part A, 68:1–19, 2005.
"Benefit-Cost Analysis of U.S. Regulations Affecting Surface Water Quality" (with William Wheeler), Cost-Benefit Analysis and Water Resources Managemen; Roy Brouwer and David Pearce, eds. Edward Elgar Publishing, 2005.
“Economic Implications of Hormesis in Policy Making” Human and Experimental Toxicology. 23(6): pp. 281-3, 2004.
“Linking Economics and Risk Assessment” (with Chris Dockins, Nicole Owens, Nathalie Simon, and Daniel Axelrad), Journal of Toxicology and Environmental Health, 67(8-10): 611-620, 2004.
“What to Do at Low Doses: A Bounding Approach for Economic Analysis” (with Chris Dockins, Nicole Owens, Nathalie B. Simon and Daniel A. Axelrad), Risk Analysis: An International Journal, 22(4): 679-688, 2002.
“An Economic Analysis and Simulation of Woodfuel Management in the Sahel” (with Ken Chomitz), Environmental & Resource Economics, July, 19(3): 285-304, 2001.
"Predicting the Location of Deforestation: The Role of Roads and Protected Areas in North Thailand" (with Maureen Cropper and Jyotsna Puri), Land Economics, 77(2): 172-186, 2001.
"Roads, Population Pressures and Deforestation in Thailand, 1976-1989" (with Maureen Cropper and Muthukumara Mani), Land Economics, 75(1): 58-73. February 1999.
"The Interaction of Population Growth and Environmental Quality" (with Maureen Cropper), The American Economic Review, Vol. 84, No. 2, May 1994, pp. 250-254.