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On a way to overcome strategic overbidding in open-ended stated preference surveys: A recoding approach

Author

Listed:
  • Ewa Zawojska

    () (Faculty of Economic Sciences, University of Warsaw)

  • Pierre-Alexandre Mahieu

    (University of Nantes, LEMNA)

  • Romain Crastes

    (University of Leeds, Centre of Choice Modelling)

  • Jordan Louviere

Abstract

Stated preference (SP) surveys often use open-ended questions to elicit individuals’ willingness-to-pay values for goods, services, or policy projects. However, an open-ended format may encourage strategic overbidding, and so lead to biased value estimates. We propose a new approach, based on economic theory, to limit strategic overbidding in open-ended SP surveys: prior to the valuation question, respondents are told that their insincere responses will be (unfavourably) recoded as zeros. We develop a theoretical model and verify its predictions in a field SP study. We find that the approach works: respondents aware of subsequent unfavourable recoding of their insincere answers state significantly lower willingness-to-pay values.

Suggested Citation

  • Ewa Zawojska & Pierre-Alexandre Mahieu & Romain Crastes & Jordan Louviere, 2016. "On a way to overcome strategic overbidding in open-ended stated preference surveys: A recoding approach," Working Papers 2016-34, Faculty of Economic Sciences, University of Warsaw.
  • Handle: RePEc:war:wpaper:2016-34
    as

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    File URL: http://www.wne.uw.edu.pl/index.php/download_file/3200/
    File Function: First version, 2016
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    References listed on IDEAS

    as
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    More about this item

    Keywords

    stated preferences; contingent valuation; open-ended survey; strategic overbidding; recoding approach;

    JEL classification:

    • C80 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - General
    • D01 - Microeconomics - - General - - - Microeconomic Behavior: Underlying Principles
    • D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory
    • D12 - Microeconomics - - Household Behavior - - - Consumer Economics: Empirical Analysis
    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis

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