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Estimating exponential scheduling preferences
KTH, Centrum för transportstudier, CTS.ORCID iD: 0000-0001-9235-0232
KTH, Systemanalys och ekonomi.ORCID iD: 0000-0002-4531-8659
KTH, Systemanalys och ekonomi.
2015 (English)In: Transportation Research Part B: Methodological, ISSN 0191-2615, E-ISSN 1879-2367, Vol. 81, no 1, 230-251 p.Article in journal (Refereed) Published
Abstract [en]

Different assumptions about travelers' scheduling preferences yield different measures of the cost of travel time variability. Only few forms of scheduling preferences provide non-trivial measures which are additive over links in transport networks where link travel times are arbitrarily distributed independent random variables: Assuming smooth preferences, this holds only for specifications with a constant marginal utility of time at the origin and an exponential or affine marginal utility of time at the destination. We apply a generalized version of this model to stated preference data of car drivers' route and mode choice under uncertain travel times. Our analysis exposes some important methodological issues related to complex non-linear scheduling models: One issue is identifying the point in time where the marginal utility of being at the destination becomes larger than the marginal utility of being at the origin. Another issue is that models with the exponential marginal utility formulation suffer from empirical identification problems. Though our results are not decisive, they partly support the constant-affine specification, in which the value of travel time variability is proportional to the variance of travel time.

Place, publisher, year, edition, pages
Elsevier , 2015. Vol. 81, no 1, 230-251 p.
National Category
Transport Systems and Logistics Economics and Business
Identifiers
URN: urn:nbn:se:vti:diva-12397DOI: 10.1016/j.trb.2015.03.014ISI: 000366237700012Scopus ID: 2-s2.0-84956604239OAI: oai:DiVA.org:vti-12397DiVA: diva2:1139110
Funder
TrenOp, Transport Research Environment with Novel Perspectives
Note

QC 20160420

Available from: 2017-09-06 Created: 2017-09-06

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Börjesson, MariaEngelson, Leonid
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CiteExportLink to record
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Citation style
  • apa
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  • Other style
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Language
  • de-DE
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  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
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  • asciidoc
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