Samenvatting
THE AUTHORS USE TICKET SALE DATA, COVERING THE PERIOD 1970-77, TO ESTIMATE DEMAND EQUATIONS FOR EACH OF 17 MAJOR BRITISH RAIL INTER-CITY TRAFFIC FLOWS. THE EQUATIONS ARE ESTIMATED USING ORDINARY LEAST SQUARES METHODS, WHICH IT IS ARGUED, ARE APPROPRIATE GIVEN THE FACTORS AFFECTING THE OWN-PRICE AND LEVELS OF SERVICE PROVIDED DURING THE PERIOD. THE AUTHORS CONCLUDE THAT THE MAIN INFLUENCES ON THE LEVEL OF DEMAND DURING THE PERIOD STUDIED WERE RAIL FARES, THE LEVEL OF ECONOMIC ACTIVITY, RAIL JOURNEY TIME, THE LEVEL OF SERVICE ON COMPETING TRAVEL MODES, AND SEASONAL FACTORS.