Education:

• Ph.D, Economics, University of Minnesota,1992.
• J.D., Northwestern University,1984.
• B.A., Economics, Northwestern University, 1981.

Teaching Interests:

• Industrial Organization
• Law and Economics
• Transportation Economics

Activities and Honors

• Grants and Contracts: Andrew W. Mellon Foundation, Delaware River and Bay Authority, World Bank Institute, Delaware Department of Transportation

Recent Publications:

• "Pricing the major U.S. hub airports," (with Katherine Thomas Harback) Journal of Urban Economics, forthcoming.
• "(When) do Hub Airlines Internalize Their Self-Imposed Congestion Delays," (with Kate Harback) Journal of Urban Economics, Vol. 63 pp.583–612, 2008.
• "Efficiency of the Use of Technology in Economic Education," American Economic Review, Papers and Proceedings, May 2005.
• "Benefit-Cost Analysis of Airport Infrastructure," Journal of Air Transport Management, Vol. 8, pp. 149-164, 2002.  
• "Distributional Consequences of Congestion Pricing at Large Hub Airports," Journal of Urban Economics, September, 2001.
• "The Environmental Impact of Highway Congestion Pricing," (with Khalid Becka) Journal of Urban Economics, Vol. 47, March 2000, 180-215.
• "Comparison of Three Empirical Models of Airport Congestion Pricing," (with Munish Pahwa) Journal of Urban Economics, 47, January 2000, 1-38.
• "Congestion Pricing and Capacity of Large Hub Airports: A Bottleneck Model with Stochastic Queues," Econometrica, 63, No. 2, pp. 327-370, March 1995; reprinted in Recent Developments in Transport Economics, K. Button (ed), Edward Elgar, 2004.