Road
The Singapore Experience: The Evolution of Technologies, Cost and Benefits, and Lessons Learnt
Discussion Paper,
1 December 2009
Incentives for CO2 Emissions Reductions in Motor Vehicle Taxes
Presentation, slides, speech,
2 September 2009
Impact of Hinterland Access Conditions on Rivalry Between Ports
Presentation, slides, speech,
31 March 2008
Implementing Sustainable Urban Travel Policies. National Peer Review: The Netherlands
Research Report,
1 January 2001