Road
The Impact of HOV and HOT Lanes on Congestion in the United States
Discussion Paper,
20 September 2020
Incentives for CO2 Emissions Reductions in Motor Vehicle Taxes
Presentation, slides, speech,
2 September 2009
Are Horizontal Mergers and Vertical Integration a Problem?
Presentation, slides, speech,
6 February 2009
Long Run Trends in Transport Demand, Fuel Price Elasticities and Implications of the Oil Outlook for Transport Policy
Discussion Paper,
1 December 2007