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Using an Integrated Choice and Latent Variable Model to Understand the Impact of “Professional” Respondents in a Stated Preference Survey

Author

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  • Dancke Sandorf, Erlend

    (University of Stirling, Stirling Management School, Economics Division)

  • Persson, Lars

    (CERE - the Center for Environmental and Resource Economics)

  • Broberg, Thomas

    (CERE - the Center for Environmental and Resource Economics)

Abstract

Internet panels are increasingly used for stated preference research, and members of such panels receive compensation for each completed survey. One concern is that over time this creates professional respondents who answer surveys to receive the monetary compensation. We identify professional respondents using data on panel tenure, survey response frequency, completion rates and total number of completed surveys. We find evidence of two types of professional respondents: "hyperactives" who answer surveys frequently and "experienced" who have long panel tenure and a large number of completed surveys. Using an integrated choice and latent variable model in a stated preference survey, we nd that "hyperactive" respondents are less likely to choose the 'status quo' and have a more stochastic choice process as seen from the econometrician's point of view, whereas "experienced" respondents have a relatively more deterministic choice process. Our results show that "hyperactive" respondents significantly impact estimated values.

Suggested Citation

  • Dancke Sandorf, Erlend & Persson, Lars & Broberg, Thomas, 2019. "Using an Integrated Choice and Latent Variable Model to Understand the Impact of “Professional” Respondents in a Stated Preference Survey," CERE Working Papers 2019:3, CERE - the Center for Environmental and Resource Economics.
    • Handle: RePEc:hhs:slucer:2019_003
    DOI: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3368948
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    Keywords

    Professional respondents; Internet panels; Discrete Choice Experiments; Integrated Choice and Latent Variable Model;
    All these keywords.

    JEL classification:

    • C35 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions
    • Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects

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