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Ranking Transport Projects by their Socioeconomic Value or Financial Interest Rate of Return?

Alain Bonnafous () and Pablo Jensen ()
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Pablo Jensen: LET - Laboratoire d'économie des transports - UL2 - Université Lumière - Lyon 2 - ENTPE - École Nationale des Travaux Publics de l'État - CNRS - Centre National de la Recherche Scientifique, LPMCN - Laboratoire de Physique de la Matière Condensée et Nanostructures - UCBL - Université Claude Bernard Lyon 1 - Université de Lyon - CNRS - Centre National de la Recherche Scientifique, Phys-ENS - Laboratoire de Physique de l'ENS Lyon - ENS de Lyon - École normale supérieure de Lyon - UCBL - Université Claude Bernard Lyon 1 - Université de Lyon - CNRS - Centre National de la Recherche Scientifique

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Abstract: This paper discusses the choice by the public authority of the most efficient programme of infrastructure investments. More specifically, it studies the optimal ranking of project implementation when these projects are partially self-financed by their own revenues such as tolled highways. In this case, the optimal investment programme must be defined under a constraint of annual subsidies. This paper demonstrates that the optimal ranking is not necessarily the ranking of decreasing socioeconomic IRR. This counter-intuitive result can be demonstrated by a general approach. Analytical calculations are not useful in this discrete problem because each programme is an ordered subset of projects. Therefore, there is no continuous variation linking the various programmes and the usual tools of optimization, such as differential calculus, are useless. Thus, we adopt here a discrete optimization analysis based on standard techniques in the physics area, such as Monte Carlo sampling.

Keywords: Ranking; Transport project; Socioeconomic assessment (search for similar items in EconPapers)
Date: 2005
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Published in Transport Policy, 2005, 12 (2), pp. 131-136. ⟨10.1016/j.tranpol.2004.12.003⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:halshs-00068313

DOI: 10.1016/j.tranpol.2004.12.003

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