Fortunato, Adelino | Murta, Daniel Horizontal Differentiation and the Survival of Train and Coach Modes in Medium Range Passenger Transport : A Welfare Analysis Comprising Economies of Scope and Scale Fabrizio Serra Editore is_part_of International journal of transport economics : Rivista internazionale di economia dei trasporti : XXXV, 1, 2008 usage_policy P23 P23 EUR 45.00 vat_excluded purchase PDF a ar