Comparing continuous and discrete contingent valuation questions
This paper explores two commonly used methods to elicit an individual's willingness to pay (WTP) for a public good in contingent valuation studies. Currently, the most preferred method is the “take-it-or-leave” valuation question, or discrete valuation question (DVQ), where the respondent accepts or rejects a suggested cost for the good. The traditional method, the continuous valuation question (CVQ), simply asks an individual to state his WTP for the suggested change in the provision of a public good like cleaner air. We introduce a simple way to compare the results from these two methods. We also test the anchoring behavior suggested in the psychological literature on choice under uncertainty. The results do not support the anchoring hypothesis, but suggest the hypothesis that people perceive the two tested valuation questions differently. Copyright Kluwer Academic Publishers 1993
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Volume (Year): 3 (1993)
Issue (Month): 1 (February)
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- Hoehn, John P. & Randall, Alan, 1987. "A satisfactory benefit cost indicator from contingent valuation," Journal of Environmental Economics and Management, Elsevier, vol. 14(3), pages 226-247, September.
- Bengt Kristrom, 1990. "A Non-Parametric Approach to the Estimation of Welfare Measures in Discrete Response Valuation Studies," Land Economics, University of Wisconsin Press, vol. 66(2), pages 135-139.
- Walsh, Richard G. & Johnson, Donn M. & McKean, John R., 1989. "Issues In Nonmarket Valuation And Policy Application: A Retrospective Glance," Western Journal of Agricultural Economics, Western Agricultural Economics Association, vol. 14(01), July.
- Christine Seller & John R. Stoll & Jean-Paul Chavas, 1985. "Validation of Empirical Measures of Welfare Change: A Comparison of Nonmarket Techniques," Land Economics, University of Wisconsin Press, vol. 62(2), pages 156-175.
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