Sentencing in the Federal Prison System “Racial Disparities in Federal Sentencing: A New Approach” (with Beth Freeborn of Federal Trade Commission). “Judicial Discretion and Sentencing Behavior: Did the Feeney Amendment Reign in District Judges?" (with Beth Freeborn of Federal Trade Commission). Journal of Empirical Legal Studies, 7(2),2010: 355-378 Used Automobile Market "Automobile Maintenance Costs, Used Cars, and Private Information” (with Steven Stern and Maxim Engers of University of Virginia) "Estimation of Car Scrapping Rates" (with Steven Stern and Maxim Engers of University of Virginia) “A Dynamic, Empirical Model of Adverse Selection in the Used Car Market” (with Steven Stern and Maxim Engers of University of Virginia) “The Effects of the ‘Cash For Clunkers’ Program on Gas Usage” ” (with Steven Stern and Maxim Engers of University of Virginia) “Annual Miles Drive Used Car Prices” (with Maxim Engers and Steven Stern of University of Virginia). Journal of Applied Econometrics, 24(1), 2009: 1-33. “Are Lemons Really Hot Potatoes?” (with Maxim Engers and Steven Stern of University of Virginia) International Journal of Industrial Organization, 27(2), 2009: 250-263. Airline Industry Airport Runways’ Impact on Competition: Does it depend on the source of the funding that financed construction?" “Access to Airport Facilities: Its Impact on Market Competition” in Advances in Airline Economics, Vol. I edited by Darin Lee, Elsevier Publishing, 2006 “New Carrier Entry and Airport Substitution by Travelers: Why Do We Have to Drive to Fly?” (with Gary Fournier and Thomas Zuehlke of Florida State University), in Advances in Airline Economics, Vol. II edited by Darin Lee, Elsevier Publishing, 2007. Airline Safety: A Study of Consumer Learning Preferences for Safety Provision Under Asymmetric Information “The Economic Impact of Alternative Tax Policies on the Airline Market”