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On the change in surpluses equivalence: measuring benefits from transport infrastructure investments

  • Melendez-Hidalgo, Jose
  • Rietveld, Piet
  • Verhoef, Erik

Reductions in transport costs resulting from infrastructure improvements generate benefits that can be measured as surplus changes either at an economy-wide scale (social welfare changes) or, as is common practice in cost-benefit analysis (CBA), at a transport market level as transport users’ surplus changes. In this paper we look at an economy with spatially separated markets embedded in a transport network (a spatial price equilibrium model) to study the equivalence between these two benefit measures. Three different product market competition arrangements are considered. A similar question and strategy is presented in Jara-Diaz (1986) employing a two-node network and extreme competition assumptions on the production side: perfect competition and monopolistic production with arbitrage. We extend his work by additionally considering perfect collusion (monopoly without resale) and Cournot-Nash oligopoly under flow-dependent transport costs (i.e. congestion in transport). Numerical simulations in a three-node network with and without transshipment nodes, illustrate our main results.

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Article provided by ISTIEE, Institute for the Study of Transport within the European Economic Integration in its journal European Transport / Trasporti Europei.

Volume (Year): (2007)
Issue (Month): 36 ()
Pages: 107-140

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Handle: RePEc:sot:journl:y:2007:i:36:p:107-140
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  1. Yang, Hai & Huang, Hai-Jun, 1998. "Principle of marginal-cost pricing: how does it work in a general road network?," Transportation Research Part A: Policy and Practice, Elsevier, vol. 32(1), pages 45-54, January.
  2. Paulo D. WAQUIL & Thomas L. COX, 1995. "Spatial Equilibrium With Intermediate Products: Implementation And Validation In The Mercosur," Staff Papers 388, University of Wisconsin Madison, AAE.
  3. Pels, Eric & Verhoef, Erik T., 2004. "The economics of airport congestion pricing," Journal of Urban Economics, Elsevier, vol. 55(2), pages 257-277, March.
  4. Yoshitsugu Kanemoto & Koichi Mera, 1984. "General Equilibrium Analysis of the Benefits of Large Transportation Improvements," Working Papers 567, Queen's University, Department of Economics.
  5. Van Dender, Kurt, 2005. "Duopoly Prices Under Congested Access," University of California Transportation Center, Working Papers qt7xw8c3fn, University of California Transportation Center.
  6. Paulo D. Waquil & THOMAS L. COX, 1995. "Spatial Equilibrium with Intermediate Products: Implementation and Validation in the Mercosur," Wisconsin-Madison Agricultural and Applied Economics Staff Papers 388, Wisconsin-Madison Agricultural and Applied Economics Department.
  7. Yukihiro Kidokoro, 2004. "Cost-Benefit Analysis for Transport Networks: Theory and Application," Journal of Transport Economics and Policy, London School of Economics and University of Bath, vol. 38(2), pages 275-307, May.
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