Railroads and American Economic Growth: Essays in Econometric History

absence of railroads agricultural commodities agricultural products American amount Annual Report approximately assumption average distance capacity capital cars cents per ton-mile coal Column computation construction corn cotton counties crude iron consumed decade distribution domestic crude iron domestic pig economic growth farm feasible region figure freight furnaces gross national product Grosvenor haul Historical Statistics 1960 increase interregional inventory iron industry land linear programming loss in national miles Missouri River national income national product North Atlantic region output Pennsylvania Philadelphia convention pig iron primary markets production of rails proposed canals rail shipping point ratio River roads Rostow routes secondary markets sectors shipments social saving SOURCES AND NOTES ẞ estimate 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