A multi-layer scenario analysis for sustainable international transport / Barry Ubbels, Caroline Rodenburg, Peter NijkampDifferent perspectives on the global development of transport / Barry Ubbels, Caroline Rodenburg, Peter NijkampA multi-layer scenario analysis for sustainable international transport / Barry Ubbels, Caroline Rodenburg, Peter NijkampAuctioning concessions for private roads / Barry Ubbels, Erik VerhoefAuctioning concessions for private roads / Barry Ubbels, Erik VerhoefGovernmental competition in road charging and capacity choice / Barry Ubbels, Erik VerhoefGovernmental competition in road charging and capacity choice / Barry Ubbels, Erik VerhoefRoad pricing : effectiveness, acceptance and institutional aspects / Barry Johan Ubbels
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How reliable are estimates of infrastructure costs? : a comparative analysis / Peter Nijkamp, Barry UbbelsInfrastructure, suprastructure and ecostructure : a portfolio of sustainable growth potentials / Peter Nijkamp, Barry UbbelsRoad and rail infrastructure accounting in the Netherlands / Frank Bruinsma, Barry UbbelsInfrastructuur als portfolio : een duurzaamheidsvisie op infrastructuur / P. Nijkamp, B. Ubbels, M. KoetseOpen windows of Europe / Caroline A. Rodenburg, Barry Ubbels, Peter NijkampTransport investment appraisal and the environment / Peter Nijkamp, Barry Ubbels, Erik VerhoefTransport investment appraisal and the environment / Peter Nijkamp, Barry Ubbels, Erik VerhoefHow reliable are estimates of infrastructure costs? : a comparative analysis / Peter Nijkamp, Barry UbbelsInfrastructure, suprastructure and ecostructure : a portfolio of sustainable growth potentials / Peter Nijkamp, Barry UbbelsRoad and rail infrastructure accounting in the Netherlands / Frank Bruinsma, Barry UbbelsTerugverdieneffecten van overheidssteun aan zeehavens / Carl Koopmans, Tom Smits, Barry Ubbels, Janneke van der Voort