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A disaggregate stochastic freight transport model for Sweden
World Bank.
Swedish National Road and Transport Research Institute, Society, environment and transport, Transport economics.ORCID iD: 0000-0001-6401-6536
Swedish National Road and Transport Research Institute, Society, environment and transport, Traffic analysis and logistics.
University of Leeds.
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2018 (English)In: Transportation, ISSN 0049-4488, E-ISSN 1572-9435, p. 1-26Article in journal (Refereed) In press
Abstract [en]

This paper presents estimation results for models of transport chain and shipment size choice, as well as an implementation of the estimated disaggregate models (for two commodity groups), in the context of the national freight transport model for Sweden. The new model is a disaggregate and stochastic (logit) model, whereas the existing Swedish national model is deterministic. One advantage of the new approach is that it bases the underlying behavior of shippers on a stronger empirical foundation (that is micro-data from the Swedish Commodity Flow Survey, CFS). Another advantage is that it overcomes a well-known disadvantage of deterministic models that lead to implausibly large responses to changes in scenario or policy variables. Although estimation and implementation of aggregate stochastic models were done before, in the context of a national freight transport forecasting model, we think this is the first implementation of disaggregate freight transport chain and shipment size models estimated on choice data for individual shipments, certainly in Europe. We carried out a number of model runs with both versions of the implemented model to compare elasticities and found that transport cost and time elasticities for tonne-km are smaller (in absolute values) in the disaggregate stochastic model than in their deterministic counterparts.

Place, publisher, year, edition, pages
Springer New York LLC , 2018. p. 1-26
Keywords [en]
Freight transport, Freight, Size, Mathematical model, Stochastic, Transport operator, Behaviour, Cost, Time, Elasticity
National Category
Transport Systems and Logistics
Research subject
10 Road: Transport, society, policy and planning, 12 Road: Freight transport
Identifiers
URN: urn:nbn:se:vti:diva-13537DOI: 10.1007/s11116-018-9856-9Scopus ID: 2-s2.0-85040766219OAI: oai:DiVA.org:vti-13537DiVA, id: diva2:1284160
Available from: 2019-01-31 Created: 2019-01-31 Last updated: 2019-03-15Bibliographically approved

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Abate, MegersaVierth, IngeKarlsson, Rune

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
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  • nn-NB
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  • Other locale
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Output format
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