His research focuses on government policies towards the infrastructure sector in Britain and throughout the world in the eighteenth and nineteenth centuries. Recent publications include “Nationalizations and the Development of Transport Systems: Cross-Country Evidence from Railroad Networks, 1860-1912″ (forthcoming, Journal of Economic History); “Turnpike Trusts and Property Income: New Evidence on the Effects of Transport Improvements and Legislation in Eighteenth Century England,” (forthcoming in the Economic History Review); and “Inter-modal Network Externalities and Transport Development: Evidence from Roads, Canals, and Ports during the English Industrial Revolution” (forthcoming in Networks and Spatial Economics).