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Treatment of reference alternatives in stated choice surveys for air travel choice behaviour

By S. Hess


Stated Choice (SC) surveys are increasingly being used instead of Revealed Preference (RP) surveys for the study of air travel choice behaviour. In many cases, the choice situations presented in these SC surveys are constructed\ud around an observed trip, where this is often included as one of the alternatives. Classically, these RP alternatives have been treated in the same way as the SC alternatives. The applications presented in this paper show that this potentially leads to biased results, and that it is important to recognise the differences in the nature of the two types of alternative. Additionally, the paper discusses issues caused by respondents who consistently\ud prefer the RP alternative over the SC alternatives, a common phenomenon in such SC data

Publisher: Elsevier B.V.
Year: 2008
OAI identifier: oai:eprints.whiterose.ac.uk:4996

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