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The latent effect of inertia in the modal choice

Lookup NU author(s): Professor Elisabetta Cherchi

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Abstract

The existence of habit (leading to inertia) in the choice process has been approached in the literature in a number of ways. In transport, inertia has been studied mainly using "long panel" data, or mixed revealed and stated preference data. In these studies inertia links the choice made in two or more periods, but it does not affect the initial choice. In the psychological literature instead, habit is measured only as the number of times the same trip is made using the same mode, but the transport choice is not related to level of service characteristics. In this paper we combine both approaches. We assume that inertia is revealed by past behaviour and affects also the initial condition, but we recognise that past behaviour is only an indicator of habitual behaviour, the true process behind the formation of habitual behaviour being latent. We estimate a hybrid choice model using a set of revealed and stated mode choice preferences collected in Cagliari (Italy). We found a significant latent inertia in the revealed preference data, indicating that inertia affects the initial conditions. The latent inertia is revealed by the frequency of past behaviour but the effect of trip frequency is somehow different from the effect of the habitual use of a given mode, indicating that it is important to distinguish these two effects.


Publication metadata

Author(s): Cherchi E, Meloni I, Ortúzar J de D

Editor(s): M. Roorda and E. Miller

Publication type: Book Chapter

Publication status: Published

Book Title: Travel Behaviour Research: Current Foundations, Future Prospects

Year: 2014

Pages: 517-534

Print publication date: 10/02/2014

Acceptance date: 01/01/1900

Publisher: International Association for Travel Behaviour Research

URL: http://www.lulu.com/shop/matthew-j-roorda-and-eric-j-miller/travel-behaviour-research-current-foundations-future-prospects/hardcover/product-21441975.html

Library holdings: Search Newcastle University Library for this item

ISBN: 9781304715173


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