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Estimating the marginal cost of railway track renewals using corner solution models
Statens väg- och transportforskningsinstitut, Transportekonomi Stockholm, TEK-S.
Institute for Transport Studies, University of L eeds, UK .
Statens väg- och transportforskningsinstitut, Transportekonomi Borlänge, TEK-B.
Institute for Transport Studies, University of L eeds, UK .
Ansvarig organisation
2011 (Engelska)Rapport (Övrigt vetenskapligt)
Abstract [en]

Economic theory advocates marginal cost pricing for efficient utilisation of transport infrastructure. A growing body of literature has emerged on the issue of rail marginal infrastructure wear and tear costs, but the majority of the work is focused on costs for infrastructure maintenance. Railway track renewals are a substantial part of an infrastructure manager’s budget, but in disaggregated statistical analyses they cause problems for traditional regression models since there is a piling up of values of the dependent variable at zero. Previous econometric work has sought to circumvent the problem by aggregation in some way. In this paper we instead apply corner solution models to disaggregate (tracksection) data, including the zero observations. We derive track renewal cost elasticities with respect to traffic volumes and in turn marginal renewal costs using Swedish railway renewal data over the period 1999 to 2009. This paper is the first attempt in the literature to apply corner solution models, and in particular the two-part model, to disaggregate renewal cost data in railways. It is also the first paper that we are aware of to report usage elasticities specifically for renewal costs and therefore adds important new evidence to the previous literature where there is a paucity of studies on renewals and considerable uncertainty over the effects of rail traffic on renewal costs.

Ort, förlag, år, upplaga, sidor
Stockholm: Statens väg- och transportforskningsinstitut , 2011. , s. 22
Serie
Trafikverkets forskningsportföljer
Nyckelord [en]
Railway track, Cost, Regression analysis, Mathematical model, Maintenance
Nationell ämneskategori
Nationalekonomi
Identifikatorer
URN: urn:nbn:se:trafikverket:diva-12374OAI: oai:DiVA.org:trafikverket-12374DiVA, id: diva2:1820566
Projekt
JÄSMAGE - JÄrnvägens Samhällsekonomiska MArGinalkostnadEr
Forskningsfinansiär
Trafikverket, TRV 2010/92179Tillgänglig från: 2023-12-18 Skapad: 2023-12-18 Senast uppdaterad: 2023-12-18

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Wikberg, Åsa

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Wikberg, Åsa
Nationalekonomi

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