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Cited by

• 2002Optimal pricing in railway passenger transport: theory and practice in The Netherlands50 cited
• 2003Productivity Growth and Some of Its Determinants in the Deregulated U.S. Railroad Industry42 cited
• 2007Evolution of Railroad Economics41 cited
• 2008Using Public-Private Partnerships to Expand Subways: Madrid-Barajas International Airport Case Study39 cited
• 2007Economies of Density and Regulatory Change in the U.S. Railroad Freight Industry36 cited
• 2010Transportation Economics: Some Developments Over the Past 30 Years33 cited
• 2005Calculation of Economies of Spatial Scope from Transport Cost Functions with Aggregate Output with an Application to the Airline Industry25 cited
• 2013Explaining changes and trends in the airline industry: Economies of density, multiproduct scale, and spatial scope16 cited
• 2010Intermodal traffic, regulatory change and carbon energy conservation in US freight transport9 cited
• 2018Cost effect of reorganising – A study of special transport services7 cited
• 2007PAYING FOR PUBLIC TRANSPORTATION: THE OPTIMAL, THE ACTUAL, AND THE POSSIBLE6 cited
• 2008Efficiency, demand, and pricing of public bus transport in India5 cited
• 2011Examination of Regional Transit Service Under Contracting: A Case Study in the Greater New Orleans Region4 cited