(3) N. Limao and A. J. Venables, Infrastructure, Geographical Disadvantage, and Transport Costs; World Bank Economic Review 15, 2001; D. Hummels, Toward a Geograhy of Trade Costs, University of Chicago, 1999.
N. Limao and A. J. Venables, Infrastructure, Geographical Disadvantage, and Transport Costs; World Bank Economic Review 15, 2001; D. Hummels, Toward a Geography of Trade Costs, University of Chicago, 1999.