Scandinavian Working Papers in Economics

Working papers in Transport Economics,
CTS - Centre for Transport Studies Stockholm (KTH and VTI)

No 2013:10: A link based network route choice model with unrestricted choice set

Mogens Fosgerau (), Emma Frejinger () and Anders Karlström ()
Additional contact information
Mogens Fosgerau: DTU TRANSPORT, Postal: Centrum för Transportstudier (CTS), Teknikringen 10, 100 44 Stockholm, Sweden
Emma Frejinger: KTH, Postal: Centrum för Transportstudier (CTS), Teknikringen 10, 100 44 Stockholm, Sweden
Anders Karlström: KTH, Postal: Centrum för Transportstudier (CTS), Teknikringen 10, 100 44 Stockholm, Sweden

Abstract: This paper considers the path choice problem, formulating and discussing an econometric random utility model for the choice of path in a network with no restriction on the choice set. Starting from a dynamic specification of link choices we show that it is equivalent to a static model of the multinomial logit form but with infinitely many alternatives. The model can be consistently estimated and used for prediction in a computationally efficient way. Similarly to the path size logit model, we propose an attribute called link size that corrects utilities of overlapping paths but that is link additive. The model is applied to data recording path choices in a network with more than 3,000 nodes and 7,000 links.

Keywords: Discrete choice; Recursive logit; Networks; Route choice; Infinite choice set

JEL-codes: R40

40 pages, September 16, 2013

Note: Full bibliographic details: Transportation Research Part B: Methodological, Vol. 56, Oct. 2013, pp 70–80 DOI information: 10.1016/j.trb.2013.07.012

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