1. Anderson, W., & Lakshmanan, T. R. (2004). Modeling transport infrastructure productivity: Contextual determinants and model reformulation. Presentation at the international conference on measurement and management of infrastructure, Jonkoping, Sweden.
2. Convergence of public capital: Investment among the United States 1977–1996;Annala;Public Finance and Management,2001
3. Is public expenditure productive;Aschauer;Journal of Monetary Economics,1989
4. Does public infrastructure affect economic activity? Evidence from the rural interstate highway system;Chandra;Regional Science and Urban Economics,2000
5. Productivity and density of economic activity;Ciccone;American Economic Review,1996