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Comparison of vehicle-ownership models

Susilo, Yusak O.; Potoglou, Dimitris

Authors

Yusak O. Susilo

Dimitris Potoglou



Abstract

Empirical studies on household car ownership have used two types of discrete choice modeling structures: ordered and unordered. In ordered response structures, such as the ordered logit and ordered probit models, the choice of the number of household vehicles arises from a unidimensional latent variable that reflects the propensity of a household to own vehicles. Unordered response structures are based on the random utility maximization principle, which assumes a household associates a utility value across different car ownership levels and chooses the one with the maximum utility. The most common unordered response models are the multinomial logit and probit models, but only the multinomial logit has been used in practical applications because of its simple structure and low computational requirements. Consensus among researchers on unordered or ordered structures is still lacking. Empirical studies have reported various models, including the multinomial logit, ordered logit, and ordered probit An open question remains: Which model would better reflect households' car ownership choices? This paper compares multinomial logit, ordered logit, and ordered probit car ownership models through a number of formal evaluation measures and empirical analysis of three data sets: the 2001 National Household Travel Survey for the Baltimore [Maryland] Metropolitan Area, the 2005 Dutch National Travel Survey, and the 2000 Osaka [Japan] Metropolitan Person Trip Data. Results show the multinomial logit model should be selected for modeling the level of household car ownership.

Citation

Susilo, Y. O., & Potoglou, D. (2008). Comparison of vehicle-ownership models. Transportation Research Record, 2076(2076), 97105. https://doi.org/10.3141/2076-11

Journal Article Type Article
Publication Date Dec 1, 2008
Journal Transportation Research Record
Print ISSN 0361-1981
Publisher SAGE Publications
Peer Reviewed Peer Reviewed
Volume 2076
Issue 2076
Pages 97105
DOI https://doi.org/10.3141/2076-11
Keywords vehicle ownership, vehicle models
Public URL https://uwe-repository.worktribe.com/output/1016201
Publisher URL http://dx.doi.org/10.3141/2076-11


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