Marginal Railway Renewal Costs: A Survival Data Approach

Mats Andersson ()
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Mats Andersson: VTI, Postal: Dept. of Transport Economics, P.O. Box 760, SE-781 27 Borlänge, Sweden

No 2007:10, Working Papers from Swedish National Road & Transport Research Institute (VTI)

Abstract: In this paper, renewal costs for railway tracks are investigated using survival analysis. The purpose is to derive the effect from increased traffic volumes on rail renewal cycle lengths and to calculate associated marginal costs. A flow sample of censored data containing almost 1 500 observations on the Swedish main railway network is used. We specify Weibull accelerated failure time regression models, and estimate deterioration elasticities for total tonnage as well as for passenger and freight tonnages separately. Marginal costs are calculated as a change in present values of renewal costs from premature renewal following increased traffic volumes.

Keywords: Railway; Renewal; Survival analysis; Marginal costs (search for similar items in EconPapers)
JEL-codes: C41 H54 L92 R48 (search for similar items in EconPapers)
Pages: 32 pages
Date: 2007-08-23
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Persistent link: https://EconPapers.repec.org/RePEc:hhs:vtiwps:2007_010

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