Railroads and American Economic Growth: Essays in Econometric History

absence of railroads agricultural commodities agricultural production American amount Annual Report approximately assumption average distance capacity capita Carey's cars cents per ton-mile Column computation construction consumption corn cotton counties crude iron consumed decade distribution domestic crude iron domestic pig economic growth farm feasible region figure freight furnaces Gallman grain gross tons Grosvenor haul Historical Statistics 1960 increase interregional inventory iron industry JOINING POINT land linear programming locomotives loss in national LOUP RIVER miles Missouri River multiplied national income navigable North Atlantic region output Pennsylvania Philadelphia Philadelphia convention pig iron pork primary markets rail shipping point ratio roads Rostow routes secondary markets sector 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 waterways wheat York