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Hypothetical surveys versus real commitments: further evidence

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  • J. Lon Carlson

Abstract

The contingent valuation method is frequently used to estimate willingness to pay for environmental services. However, numerous studies have raised serious questions about the validity and reliability of such estimates. The study reported here extends the analysis of hypothetical versus real commitments by considering the effects of alternative indicators of WTP in the hypothetical setting. While part of the results confirm the findings of previous studies-CV methods can result in an overestimate of actual mean WTP-evidence is also produced that a carefully designed CV instrument can produce an estimate of mean WTP that is much closer to actual mean WTP than previous studies would suggest.

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  • J. Lon Carlson, 2000. "Hypothetical surveys versus real commitments: further evidence," Applied Economics Letters, Taylor & Francis Journals, vol. 7(7), pages 447-450.
    • Handle: RePEc:taf:apeclt:v:7:y:2000:i:7:p:447-450
    DOI: 10.1080/135048500351159
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    References listed on IDEAS

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    1. Schkade David A. & Payne John W., 1994. "How People Respond to Contingent Valuation Questions: A Verbal Protocol Analysis of Willingness to Pay for an Environmental Regulation," Journal of Environmental Economics and Management, Elsevier, vol. 26(1), pages 88-109, January.
    2. Helen R. Neill & Ronald G. Cummings & Philip T. Ganderton & Glenn W. Harrison & Thomas McGuckin, 1994. "Hypothetical Surveys and Real Economic Commitments," Land Economics, University of Wisconsin Press, vol. 70(2), pages 145-154.
    3. W. Michael Hanemann, 1984. "Welfare Evaluations in Contingent Valuation Experiments with Discrete Responses," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 66(3), pages 332-341.
    4. Boyle Kevin J. & Desvousges William H. & Johnson F. Reed & Dunford Richard W. & Hudson Sara P., 1994. "An Investigation of Part-Whole Biases in Contingent-Valuation Studies," Journal of Environmental Economics and Management, Elsevier, vol. 27(1), pages 64-83, July.
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    1. Kanya, Lucy & Sanghera, Sabina & Lewin, Alex & Fox-Rushby, Julia, 2019. "The criterion validity of willingness to pay methods: A systematic review and meta-analysis of the evidence," Social Science & Medicine, Elsevier, vol. 232(C), pages 238-261.
    2. Kanya, Lucy & Saghera, Sabina & Lewin, Alex & Fox-Rushby, Julia, 2019. "The criterion validity of willingness to pay methods: a systematic review and meta-analysis of the evidence," LSE Research Online Documents on Economics 100741, London School of Economics and Political Science, LSE Library.
    3. Fan Yang & Ling Ding & Cai Liu & Lizheng Xu & Stephen Nicholas & Jian Wang, 2018. "Haze Attitudes and the Willingness to Pay for Haze Improvement: Evidence from Four Cities in Shandong Province, China," IJERPH, MDPI, vol. 15(10), pages 1-15, October.

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