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Mind the Gap: Stated versus Revealed Donations and the Differential Role of Behavioral Factors

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  • J. A. Bouma
  • M. J. Koetse

Abstract

This paper uses a contingent valuation study and an actual donation request to assess the impact of behavioral factors on hypothetical bias in stated willingness-to-pay estimates. Our findings indicate that both the number of respondents willing to donate and the amount they are willing to donate differ substantially between treatments. Behavioral factors play a substantial and significant role; in particular, the extent of warm glow derived from giving and expectations about other people’s behavior increase the extent of hypothetical bias in stated willingness-to-pay estimates. We suggest ways in which this may be incorporated in future contingent valuation study design.

Suggested Citation

  • J. A. Bouma & M. J. Koetse, 2019. "Mind the Gap: Stated versus Revealed Donations and the Differential Role of Behavioral Factors," Land Economics, University of Wisconsin Press, vol. 95(2), pages 225-245.
    • Handle: RePEc:uwp:landec:v:95:y:2019:i:2:p:225-245
    Note: DOI: 10.3368/le.95.2.225
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    File URL: http://le.uwpress.org/cgi/reprint/95/2/225
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    Cited by:

    1. Frings, Oliver & Abildtrup, Jens & Montagné-Huck, Claire & Gorel, Salomé & Stenger, Anne, 2023. "Do individual PES buyers care about additionality and free-riding? A choice experiment," Ecological Economics, Elsevier, vol. 213(C).
    2. Milad Haghani & Michiel C. J. Bliemer & John M. Rose & Harmen Oppewal & Emily Lancsar, 2021. "Hypothetical bias in stated choice experiments: Part I. Integrative synthesis of empirical evidence and conceptualisation of external validity," Papers 2102.02940, arXiv.org.
    3. Haghani, Milad & Bliemer, Michiel C.J. & Rose, John M. & Oppewal, Harmen & Lancsar, Emily, 2021. "Hypothetical bias in stated choice experiments: Part I. Macro-scale analysis of literature and integrative synthesis of empirical evidence from applied economics, experimental psychology and neuroimag," Journal of choice modelling, Elsevier, vol. 41(C).
    4. Endre Kildal Iversen & Kristine Grimsrud & Yohei Mitani & Henrik Lindhjem, 2022. "Altruist Talk May (also) Be Cheap: Revealed Versus Stated Altruism as a Predictor in Stated Preference Studies," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 83(3), pages 681-708, November.
    5. Bockarjova, Marija & Botzen, Wouter J.W. & Koetse, Mark J., 2020. "Economic valuation of green and blue nature in cities: A meta-analysis," Ecological Economics, Elsevier, vol. 169(C).
    6. Hagedoorn, Liselotte C. & Koetse, Mark J. & van Beukering, Pieter J.H. & Brander, Luke M., 2021. "Reducing the finance gap for nature-based solutions with time contributions," Ecosystem Services, Elsevier, vol. 52(C).

    More about this item

    JEL classification:

    • Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects

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