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Altruist Talk May (also) Be Cheap: Revealed Versus Stated Altruism as a Predictor in Stated Preference Studies

Author

Listed:
  • Endre Kildal Iversen

    (Norwegian University of Life Sciences
    SNF - Centre for Applied Research at NHH)

  • Kristine Grimsrud

    (Statistics Norway)

  • Yohei Mitani

    (Kyoto University)

  • Henrik Lindhjem

    (Menon Centre for Environmental and Resource Economics
    Norwegian Institute for Nature Research (NINA))

Abstract

Altruistic preferences have been found to be important for explaining the substantial non-use values identified in numerous stated preference surveys. However, studies analysing the effect of altruism on willingness to pay (WTP) have underestimated the challenges of measuring altruism by stated measures. We exploit a naturally occurring decision domain to investigate the role of altruism in stated preference studies. We employ a novel dataset, collected from an Internet survey panel, that contains respondents’ past donations of earned survey coins to charities and use these data to analyse the effect of donation behaviour on the same respondents’ WTP. We analyse donation behaviour across two contingent valuation surveys on environmental topics. Donators are proven givers in an anonymous and unrelated setting, much like decision-making in a dictator game. We find that respondents’ past donations are associated with higher WTP, even after controlling for stated measures of altruism, ecological, and environmental attitudes. The results suggest that measures of stated altruism fail to capture important aspects of altruism, implying that previous studies of altruism based on such measures may be questioned. The results also support research demonstrating that altruistic behaviour in one decision domain is a good predictor of altruistic behaviour in other domains.

Suggested Citation

  • 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.
    • Handle: RePEc:kap:enreec:v:83:y:2022:i:3:d:10.1007_s10640-022-00704-y
    DOI: 10.1007/s10640-022-00704-y
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    1. Robert Dur & Robin Zoutenbier, 2015. "Intrinsic Motivations of Public Sector Employees: Evidence for Germany," German Economic Review, Verein für Socialpolitik, vol. 16(3), pages 343-366, August.
    2. 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.
    3. Marc Daube & David Ulph, 2016. "Moral Behaviour, Altruism and Environmental Policy," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 63(2), pages 505-522, February.
    4. repec:elg:eechap:2434_7 is not listed on IDEAS
    5. Catherine L. Kling & Daniel J. Phaneuf & Jinhua Zhao, 2012. "From Exxon to BP: Has Some Number Become Better Than No Number?," Journal of Economic Perspectives, American Economic Association, vol. 26(4), pages 3-26, Fall.
    6. Richard Carson & Nicholas Flores & Norman Meade, 2001. "Contingent Valuation: Controversies and Evidence," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 19(2), pages 173-210, June.
    7. Jytte Seested Nielsen & Trine Kjær, 2011. "Does question order influence sensitivity to scope? Empirical findings from a web-based contingent valuation study," Journal of Environmental Planning and Management, Taylor & Francis Journals, vol. 54(3), pages 369-381.
    8. Richard Carson & Robert Mitchell & Michael Hanemann & Raymond Kopp & Stanley Presser & Paul Ruud, 2003. "Contingent Valuation and Lost Passive Use: Damages from the Exxon Valdez Oil Spill," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 25(3), pages 257-286, July.
    9. Rene Bekkers, 2007. "Measuring altruistic behavior in surveys: The all-or-nothing dictator game," Artefactual Field Experiments 00102, The Field Experiments Website.
    10. Maria Loureiro & John Loomis & Maria Vázquez, 2009. "Economic Valuation of Environmental Damages due to the Prestige Oil Spill in Spain," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 44(4), pages 537-553, December.
    11. Grimsrud, Kristine & Graesse, Maximo & Lindhjem, Henrik, 2020. "Using the generalised Q method in ecological economics: A better way to capture representative values and perspectives in ecosystem service management," Ecological Economics, Elsevier, vol. 170(C).
    12. Partha Dasgupta & Dale Southerton & Alistair Ulph & David Ulph, 2016. "Consumer Behaviour with Environmental and Social Externalities: Implications for Analysis and Policy," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 65(1), pages 191-226, September.
    13. Lorraine Whitmarsh, 2008. "Are flood victims more concerned about climate change than other people? The role of direct experience in risk perception and behavioural response," Journal of Risk Research, Taylor & Francis Journals, vol. 11(3), pages 351-374, April.
    14. de Oliveira, Angela C.M. & Croson, Rachel T.A. & Eckel, Catherine, 2011. "The giving type: Identifying donors," Journal of Public Economics, Elsevier, vol. 95(5), pages 428-435.
    15. Carpenter, Jeffrey & Myers, Caitlin Knowles, 2010. "Why volunteer? Evidence on the role of altruism, image, and incentives," Journal of Public Economics, Elsevier, vol. 94(11-12), pages 911-920, December.
    16. Christian A. Vossler & Ewa Zawojska, 2020. "Behavioral Drivers or Economic Incentives? Toward a Better Understanding of Elicitation Effects in Stated Preference Studies," Journal of the Association of Environmental and Resource Economists, University of Chicago Press, vol. 7(2), pages 279-303.
    17. Bergstrom, Theodore C & Cornes, Richard C, 1983. "Independence of Allocative Efficiency from Distribution in the Theory of Public Goods," Econometrica, Econometric Society, vol. 51(6), pages 1753-1765, November.
    18. Elisabeth Gsottbauer & Jeroen Bergh, 2011. "Environmental Policy Theory Given Bounded Rationality and Other-regarding Preferences," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 49(2), pages 263-304, June.
    19. Chilton, S. M. & Hutchinson, W. G., 2000. "A note on the warm glow of giving and scope sensitivity in contingent valuation studies," Journal of Economic Psychology, Elsevier, vol. 21(4), pages 343-349, August.
    20. Dickie, Mark & Gerking, Shelby, 2007. "Altruism and environmental risks to health of parents and their children," Journal of Environmental Economics and Management, Elsevier, vol. 53(3), pages 323-341, May.
    21. Armin Falk & Anke Becker & Thomas Dohmen & David Huffman & Uwe Sunde, 2023. "The Preference Survey Module: A Validated Instrument for Measuring Risk, Time, and Social Preferences," Management Science, INFORMS, vol. 69(4), pages 1935-1950, April.
    22. Anders Dugstad & Kristine M. Grimsrud & Gorm Kipperberg & Henrik Lindhjem & Ståle Navrud, 2021. "Scope Elasticity of Willingness to pay in Discrete Choice Experiments," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 80(1), pages 21-57, September.
    23. Christoph Engel, 2011. "Dictator games: a meta study," Experimental Economics, Springer;Economic Science Association, vol. 14(4), pages 583-610, November.
    24. Bishop, Richard C., 2018. "Warm Glow, Good Feelings, and Contingent Valuation," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 43(3), September.
    25. Yeomans, Michael & Al-Ubaydli, Omar, 2018. "How does fundraising affect volunteering? Evidence from a natural field experiment," Journal of Economic Psychology, Elsevier, vol. 64(C), pages 57-72.
    26. Carpenter, Jeffrey, 2021. "The shape of warm glow: Field experimental evidence from a fundraiser," Journal of Economic Behavior & Organization, Elsevier, vol. 191(C), pages 555-574.
    27. Johansson-Stenman, Olof & Svedsäter, Henrik, 2012. "Self-image and valuation of moral goods: Stated versus actual willingness to pay," Journal of Economic Behavior & Organization, Elsevier, vol. 84(3), pages 879-891.
    28. Jayson L. Lusk & F. Bailey Norwood, 2009. "An Inferred Valuation Method," Land Economics, University of Wisconsin Press, vol. 85(3), pages 500-514.
    29. Franzen, Axel & Pointner, Sonja, 2012. "Anonymity in the dictator game revisited," Journal of Economic Behavior & Organization, Elsevier, vol. 81(1), pages 74-81.
    30. Matteo M. Galizzi & Daniel Navarro-Martinez, 2019. "On the External Validity of Social Preference Games: A Systematic Lab-Field Study," Management Science, INFORMS, vol. 65(3), pages 976-1002, March.
    31. Fehr, Ernst & Schmidt, Klaus M., 2006. "The Economics of Fairness, Reciprocity and Altruism - Experimental Evidence and New Theories," Handbook on the Economics of Giving, Reciprocity and Altruism, in: S. Kolm & Jean Mercier Ythier (ed.), Handbook of the Economics of Giving, Altruism and Reciprocity, edition 1, volume 1, chapter 8, pages 615-691, Elsevier.
    32. Carlsson, Fredrik & Kataria, Mitesh & Lampi, Elina, 2018. "Demand effects in stated preference surveys," Journal of Environmental Economics and Management, Elsevier, vol. 90(C), pages 294-302.
    33. Toby Bolsen & Paul J. Ferraro & Juan Jose Miranda, 2014. "Are Voters More Likely to Contribute to Other Public Goods? Evidence from a Large‐Scale Randomized Policy Experiment," American Journal of Political Science, John Wiley & Sons, vol. 58(1), pages 17-30, January.
    34. Ma, Chunbo & Burton, Michael, 2016. "Warm glow from green power: Evidence from Australian electricity consumers," Journal of Environmental Economics and Management, Elsevier, vol. 78(C), pages 106-120.
    35. A Falk & T Neuber & N Szech, 2020. "Diffusion of Being Pivotal and Immoral Outcomes," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 87(5), pages 2205-2229.
    36. Carson, R.T. & Mitchell, R.C. & Hanemann, W.M. & Kopp, R.J. & Presser, S. & Ruud, P.A., 1992. "A Contingent Valuation Study of Lost Passive Use Values Resulting From the Exxon Valdez Oil Spill," MPRA Paper 6984, University Library of Munich, Germany.
    37. Johansson, Per-Olav & Kriström, Bengt, 2021. "On Misrepresentation of Altruistic Preferences in Discrete-Choice Experiments," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 46(1), January.
    38. Clark, Jeremy & Friesen, Lana, 2008. "The causes of order effects in contingent valuation surveys: An experimental investigation," Journal of Environmental Economics and Management, Elsevier, vol. 56(2), pages 195-206, September.
    39. McConnell, K. E., 1997. "Does Altruism Undermine Existence Value?," Journal of Environmental Economics and Management, Elsevier, vol. 32(1), pages 22-37, January.
    40. Axel Franzen & Sonja Pointner, 2013. "The external validity of giving in the dictator game," Experimental Economics, Springer;Economic Science Association, vol. 16(2), pages 155-169, June.
    41. Kahneman, Daniel & Knetsch, Jack L., 1992. "Valuing public goods: The purchase of moral satisfaction," Journal of Environmental Economics and Management, Elsevier, vol. 22(1), pages 57-70, January.
    42. Flores, Nicholas E., 2002. "Non-paternalistic altruism and welfare economics," Journal of Public Economics, Elsevier, vol. 83(2), pages 293-305, February.
    43. James Murphy & Thomas Stevens & Darryl Weatherhead, 2005. "Is Cheap Talk Effective at Eliminating Hypothetical Bias in a Provision Point Mechanism?," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 30(3), pages 327-343, March.
    44. Eckel, Catherine C. & Grossman, Philip J. & Johnston, Rachel M., 2005. "An experimental test of the crowding out hypothesis," Journal of Public Economics, Elsevier, vol. 89(8), pages 1543-1560, August.
    45. Loomis, John B., 2014. "2013 WAEA Keynote Address: Strategies for Overcoming Hypothetical Bias in Stated Preference Surveys," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 39(1), pages 1-13, April.
    46. Andreoni, James, 1989. "Giving with Impure Altruism: Applications to Charity and Ricardian Equivalence," Journal of Political Economy, University of Chicago Press, vol. 97(6), pages 1447-1458, December.
    47. Andreoni, James, 1990. "Impure Altruism and Donations to Public Goods: A Theory of Warm-Glow Giving?," Economic Journal, Royal Economic Society, vol. 100(401), pages 464-477, June.
    48. Theodore C. Bergstrom, 2006. "Benefit-Cost in a Benevolent Society," American Economic Review, American Economic Association, vol. 96(1), pages 339-351, March.
    49. Binder, Seth, 2020. "Is Existence Value Appropriate for Regulatory Benefit–Cost Analysis?," Journal of Benefit-Cost Analysis, Cambridge University Press, vol. 11(3), pages 441-456, October.
    50. Robert J. Johnston & Kevin J. Boyle & Wiktor (Vic) Adamowicz & Jeff Bennett & Roy Brouwer & Trudy Ann Cameron & W. Michael Hanemann & Nick Hanley & Mandy Ryan & Riccardo Scarpa & Roger Tourangeau & Ch, 2017. "Contemporary Guidance for Stated Preference Studies," Journal of the Association of Environmental and Resource Economists, University of Chicago Press, vol. 4(2), pages 319-405.
    51. Lea S. Svenningsen & Bo Jellesmark Thorsen, 2020. "Preferences for Distributional Impacts of Climate Policy," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 75(1), pages 1-24, January.
    52. Matthew Kotchen, 2015. "Reconsidering Donations for Nonmarket Valuation," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 62(3), pages 481-490, November.
    53. Sander van der Linden, 2015. "Intrinsic motivation and pro-environmental behaviour," Nature Climate Change, Nature, vol. 5(7), pages 612-613, July.
    54. Kentaka Aruga, 2020. "Is Environmental Awareness a Good Predictor of an Individual’s Altruism Level?," Sustainability, MDPI, vol. 12(19), pages 1-12, September.
    55. Paulo A. L. D. Nunes & Arianne T. de Blaeij & Jeroen C. J. M. van den Bergh, 2009. "Decomposition of Warm Glow for Multiple Stakeholders: Stated Choice Valuation of Shellfishery Policy," Land Economics, University of Wisconsin Press, vol. 85(3), pages 485-499.
    56. Nunes, Paulo A. L. D. & Schokkaert, Erik, 2003. "Identifying the warm glow effect in contingent valuation," Journal of Environmental Economics and Management, Elsevier, vol. 45(2), pages 231-245, March.
    57. Umer, Hamza & Kurosaki, Takashi & Iwasaki, Ichiro, 2022. "Unearned Endowment and Charity Recipient Lead to Higher Donations: A Meta-Analysis of the Dictator Game Lab Experiments," Journal of Behavioral and Experimental Economics (formerly The Journal of Socio-Economics), Elsevier, vol. 97(C).
    58. Fredric Jacobsson & Magnus Johannesson & Lars Borgquist, 2007. "Is Altruism Paternalistic?," Economic Journal, Royal Economic Society, vol. 117(520), pages 761-781, April.
    59. Svenningsen, Lea S. & Jacobsen, Jette Bredahl, 2018. "Testing the effect of changes in elicitation format, payment vehicle and bid range on the hypothetical bias for moral goods," Journal of choice modelling, Elsevier, vol. 29(C), pages 17-32.
    60. Loureiro, Maria L. & Ribas, Alfonso & Lopez, Edelmiro & Ojea, Elena, 2006. "Estimated costs and admissible claims linked to the Prestige oil spill," Ecological Economics, Elsevier, vol. 59(1), pages 48-63, August.
    61. Roland Menges & Carsten Schroeder & Stefan Traub, 2005. "Altruism, Warm Glow and the Willingness-to-Donate for Green Electricity: An Artefactual Field Experiment," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 31(4), pages 431-458, August.
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    More about this item

    Keywords

    Prosocial behaviour; Altruism; Contingent valuation; Donations; Willingness to pay;
    All these keywords.

    JEL classification:

    • Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects
    • Q53 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Air Pollution; Water Pollution; Noise; Hazardous Waste; Solid Waste; Recycling
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming
    • Q57 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Ecological Economics

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