Railroads and American Economic Growth: Essays in Econometric History

absence of railroads actual agricultural commodities agricultural products American amount Annual Report approximation assumption average distance capital cents per ton-mile Column computation construction corn cost of shipping cost of wagon counties decade distribution domestic pig economic growth farm feasible region figure freight furnaces grain gross national product haul Historical Statistics 1960 increase interregional inventory iron industry iron production JOINING POINT linear programming loss in national manufacturing miles Missouri River national income national product North Atlantic region output Pennsylvania Philadelphia convention pig iron pork primary markets production of rails proposed canals rail shipping point ratio roads Rostow secondary markets sectors shipments social saving SOURCES AND NOTES ẞ estimate supply Table take-off tion tonnage track trade U.S. Congress United value added via rail W. W. Rostow wagon haulage wagon rates wagon transportation water rates water shipping point water transportation weight of rails wheat York