Prior Professional Positions
University of Wyoming, Economics, Professor, 1981 to 1985
American Petroleum Institute, Research, Senior Economist, 1979 to 1981
Department of Energy, Energy Information Agency, Senior Economist, 1974 to 1979
Environmental Protection Agency, Research, Senior Economist, 1972 to 1974
Who's Who in American, Marquis, 2011
Who's Who in Economics, Mit Press/Kluwer Press, 2004
Distinguished Research Award, University of Georgia, Terry College of Business, 1992
Outstanding Honors Teaching Award, University of Georgia, 1989
Computer User's Advisory Committee, committee member, 2003 – 2004, University
Economics Graduate Programs Committee, Head, 1998 – 2003, University
UGA State Economic Forecasting Model, Director, 1987 – 1988, University
University Promotion and Tenure Review Committee, Head, 2010 – 2011, University
Areas of Expertise
Efficient Multi-Pollutant Regulation
Efficiency and productivity growth
Interaction of Multiple child health indicators
Market power estimation
STATISTICAL INFERENCE IN EFFICIENT PRODUCTION WITH BAD INPUTS AND OUTPUTS USING LATENT PRICES AND OPTIMAL DIRECTIONS. Terry College Department Of Economics, forthcoming JOURNAL OF ECONOMETRICS.
Directional distance functions: optimal endogenous directions. Terry College Department Of Economics,JOURNAL OF ECONOMETRICS, 109: 301-314, 2016..
2017. SHADOW DIRECTIONAL DISTANCE FUNCTIONS WITH BADS: GMM ESTIMATION OF OPTIMAL DIRECTIONS AND EFFICIENCIES . Terry College Department Of Economics, EMPIRICAL ECONOMICS 30 March 2017..
forthcoming 2018. Panel Data in Energy Economics. Terry College Department Of Economics.
Associate Editor, Journal of Environmental Economics and Management, 1993 - 1995