Discrete choice modeling of combined mode and departure time

Bajwa, S, Bekhor, S, Kuwahara, M and Chung, E 2008, 'Discrete choice modeling of combined mode and departure time', Transportmetrica, vol. 4, no. 2, pp. 155-177.


Document type: Journal Article
Collection: Journal Articles

Title Discrete choice modeling of combined mode and departure time
Author(s) Bajwa, S
Bekhor, S
Kuwahara, M
Chung, E
Year 2008
Journal name Transportmetrica
Volume number 4
Issue number 2
Start page 155
End page 177
Total pages 23
Publisher Hong Kong Society for Transportation Studies Limited
Abstract Typical daily decision-making process of individuals regarding use of transport system involves mainly three types of decisions: mode choice, departure time choice and route choice. This paper focuses on the mode and departure time choice processes and studies different model specifications for a combined mode and departure time choice model. The paper compares different sets of explanatory variables as well as different model structures to capture the correlation among alternatives and taste variations among the commuters. The main hypothesis tested in this paper is that departure time alternatives are also correlated by the amount of delay. Correlation among different alternatives is confirmed by analyzing different nesting structures as well as error component formulations. Random coefficient logit models confirm the presence of the random taste heterogeneity across commuters. Mixed nested logit models are estimated to jointly account for the random taste heterogeneity and the correlation among different alternatives. Results indicate that accounting for the random taste heterogeneity as well as inter-alternative correlation improves the model performance.
Subject Transport Engineering
Keyword(s) departure time choice
mode choice
nested logit
cross-nested logit
error component logit
mixed logit
value of time
value of scheduled delay
ISSN 1812-8602
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