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Reducing the gap between stated and real behavior in transportation studies: The use of an oath script

Author

Listed:
  • Carlsson, Fredrik

    (Department of Economics, School of Business, Economics and Law, Göteborg University)

  • Lampi, Elina

    (Department of Economics, School of Business, Economics and Law, Göteborg University)

  • Yin, Hang

    (Department of Economics, School of Business, Economics and Law, Göteborg University)

Abstract

We investigate whether taking an oath in a survey situation affects respondent behavior in choice experiments with a focus on travel time, comfort, and cost. We conduct two studies in Beijing: one with car commuters and one with public transport commuters. Overall, we find little difference in behavior between responses with and without an oath. In fact, the only difference is that responses are more internally consistent in the version with an oath script: the respondents trade off money in terms of a fuel cost and in terms of a congestion charge in the same way. However, there is no statistically significant effect on marginal willingness to pay for any of the attributes.

Suggested Citation

  • Carlsson, Fredrik & Lampi, Elina & Yin, Hang, 2017. "Reducing the gap between stated and real behavior in transportation studies: The use of an oath script," Working Papers in Economics 706, University of Gothenburg, Department of Economics.
    • Handle: RePEc:hhs:gunwpe:0706
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    File URL: http://hdl.handle.net/2077/53732
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    Citations

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    Cited by:

    1. Haghani, Milad & Bliemer, Michiel C.J. & Rose, John M. & Oppewal, Harmen & Lancsar, Emily, 2021. "Hypothetical bias in stated choice experiments: Part II. Conceptualisation of external validity, sources and explanations of bias and effectiveness of mitigation methods," Journal of choice modelling, Elsevier, vol. 41(C).
    2. Milad Haghani & Michiel C. J. Bliemer & John M. Rose & Harmen Oppewal & Emily Lancsar, 2021. "Hypothetical bias in stated choice experiments: Part II. Macro-scale analysis of literature and effectiveness of bias mitigation methods," Papers 2102.02945, arXiv.org.

    More about this item

    Keywords

    hypothetical bias; oath; stated preferences;
    All these keywords.

    JEL classification:

    • C80 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - General
    • D03 - Microeconomics - - General - - - Behavioral Microeconomics: Underlying Principles
    • R41 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Transportation Economics - - - Transportation: Demand, Supply, and Congestion; Travel Time; Safety and Accidents; Transportation Noise

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