Quelles avancées permettent les techniques de frontière dans la mesure de l'efficience des exploitants de transport urbain ?

Julien Lévêque () and William Roy ()
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Julien Lévêque: 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
William Roy: 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

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Abstract: This paper discusses the efficiency measure of urban transport operators. We propose a frontier approach, which is compared to the current use of productivity ratios. A survey of the literature leads us to expose our methodology (parametric and stochastic frontier) and to take into account the characteristics of urban transportation in our model. We estimate a production frontier for a sample of 135 urban networks corresponding to years 1995-2002. We analyze the factors which explain inefficiency (for instance the size of networks) and elasticities (return to scale, elasticities of substitution). We show that frontiers improve the quality of efficiency measurements.

Keywords: frontières stochastiques; transport urbain; efficience; productivité; élasticité; fonction de production; translog (search for similar items in EconPapers)
Date: 2004
Note: View the original document on HAL open archive server: https://shs.hal.science/halshs-00091900
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Published in XIVèmes journées du SESAME : Séminaire d'Etudes et de Statistiques Appliquées à la Modélisation en Economie, 23, 24 et 25 septembre 2004, UPPA : Université de Pau et des Pays de l'Adour, CATT : Centre d'analyse théorique et de traitement des données économiques., 2004, 19 p

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