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Yea-Saying in Contingent Valuation Surveys


  • R. K. Blamey
  • J. W. Bennett
  • M. D. Morrison


A number of recent papers have provided estimates of willingness to pay derived in contingent valuation surveys exceeding those revealed in experimental or real-life markets. One possible explanation for the overestimation of values is the presence of yea-saying. With the objective of reducing the occurrence of yea-saying, a new elicitation format, referred to as the dissonance-minimizing (D M) format, is proposed. An empirical comparison of the DM format with the conventional dichotomous-choice (DC) format and the ambivalence-reducing polychotomous choice (PC) format suggested by Ready, Whitehead, and Blomquist (1995) is made. Results are encouraging for the DM.

Suggested Citation

  • R. K. Blamey & J. W. Bennett & M. D. Morrison, 1999. "Yea-Saying in Contingent Valuation Surveys," Land Economics, University of Wisconsin Press, vol. 75(1), pages 126-141.
  • Handle: RePEc:uwp:landec:v:75:y:1999:i:1:p:126-141

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    JEL classification:

    • Q26 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Recreational Aspects of Natural Resources


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