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• BA, Oberlin College, 1978
• PhD, MIT, 1984

Environmental Economics; Seminar in Resource and Environmental Economics; Managing Complexity: America’s Public Lands; Seminar in Environmental Studies; Econometrics; Statistics; Mathematical Economics; Introductory Economics (combined micro and macro); Environmental Activism, Science, and the Arts; Interdisciplinary Investigations in Environmental Issues; Social Science Perspectives on Environmental Issues; Economics of Taxation; Labor Economics; Intermediate Microeconomics; The Making of Economic Policy

• Environmental economics
• Econometrics
• Statistics
• Introductory economics
• Mathematical economics
• Public economics

• Economic analysis of national parks
• Valuation of the environment
• Environment and the arts

• "" Journal of Environmental Studies and Sciences (2022). 
• “”&�Բ�����;Journal of Park and Recreation Administration (2022)
• “” IOP Conference Series: Earth and Environmental Science 690 012030 (2021)
• (with Christine Moskell) “” Journal of Environmental Studies and Sciences (2021). DOI :10.1007/s13412-021-00719-9.
• “,” Advances in Environmental Studies 2(1):42-53. (March 2018)
• (with Julia Blasch) Journal of Environmental Studies and Sciences 6(4): 691-705. (December 2016). DOI 10.1007/s13412-015-0243-y.
• (with Blake Willmarth) "" SAGE Open 2014:4 (April-June 2014): 1-9. DOI 10.1177/2158244014528916.
• “Using Contingent Choice Surveys to Inform National Park Management” Journal of Environmental Studies and Sciences Volume 3, Issue 2 (2013), Page 120-138. DOI 10.1007/s13412-013-0110-7
• (with W. Reed Walker) " Public Finance Review 34(5) (September 2006) 551-573
• (with J. Baldani and J. Bradfield ), , 3rd edition, Linus Publications, (2011)
• (with Alita Giuda and Laura Noddin), "Estimating Nonuse Values Using Conjoint Analysis," Economics Bulletin 17(7) (2005) 1-15
• "Fringe Benefits," entry in Encyclopedia of Taxation and Tax Policy, 2nd edition, Joseph Cordes, Robert D. Ebel, and Jane G. Gravelle, editors Washington: Urban Institute Press, (2005)
• "The Optimal Provision of Services in National Parks," Topics in Economic Analysis & Policy, 2(1) Article 9 (2002)
• "Market Failures and the Rationale for National Parks," Journal of Economic Education 33 (2002) 347-356
• "Managing Multiple Activities in a National Park," Land Economics 76 (August 2000) 474-485

• Associate editor, Journal of Environmental Studies and Sciences
• Reviewer for many journals and textbook publishers and for the U.S. Environmental Protection Agency and National Science Foundation
• Honors examiner, Oberlin College, Economics Department. 
• Junior economist, Council of Economic Advisers, Washington, DC
• Member, Economics Advanced Placement Committee