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Interviewer Effects on the Valuation of Goods with Ethical and Environmental Attributes

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  • Maria Loureiro
  • Justus Lotade

Abstract

This paper investigates the impact of interviewer effects on willingness to pay (WTP) estimates. Face-to-face surveys were conducted with two interviewers. Both interviewers used a transcript and conducted the survey at the same location and at the same time. We found that responses to the WTP questions differ across eco-labeled products and by interviewer. This interviewer effect is particularly relevant when we analyze the impact on WTP estimates for eco-labeled products grown in countries associated with the origin of one of the interviewers. Copyright Springer 2005

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  • Maria Loureiro & Justus Lotade, 2005. "Interviewer Effects on the Valuation of Goods with Ethical and Environmental Attributes," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 30(1), pages 49-72, January.
    • Handle: RePEc:kap:enreec:v:30:y:2005:i:1:p:49-72
    DOI: 10.1007/s10640-004-1149-4
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    Cited by:

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    3. Lindhjem, Henrik & Navrud, Ståle, 2011. "Using Internet in Stated Preference Surveys: A Review and Comparison of Survey Modes," International Review of Environmental and Resource Economics, now publishers, vol. 5(4), pages 309-351, September.
    4. Thuriane Mahé, 2010. "Are Stated Preferences Confirmed by Purchasing Behaviours? The Case of Fair Trade-Certified Bananas in Switzerland," Journal of Business Ethics, Springer, vol. 92(2), pages 301-315, April.
    5. Chien-Yu Lai & Andreas Lange & John A. List & Michael K. Price, 2017. "The Business of Business is Business: Why (Some) Firms Should Provide Public Goods when they Sell Private Goods," NBER Working Papers 23105, National Bureau of Economic Research, Inc.
    6. Héctor Tavárez & Oscar Abelleira & Levan Elbakidze, 2024. "Environmental awareness and willingness to pay for biodiversity improvement in Puerto Rico," Journal of Environmental Studies and Sciences, Springer;Association of Environmental Studies and Sciences, vol. 14(1), pages 154-166, March.
    7. Min Gong & David Aadland, 2011. "Interview Effects in an Environmental Valuation Telephone Survey," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 49(1), pages 47-64, May.
    8. John A. List & Michael K. Price, 2016. "Editor's Choice The Use of Field Experiments in Environmental and Resource Economics," Review of Environmental Economics and Policy, Association of Environmental and Resource Economists, vol. 10(2), pages 206-225.
    9. Paula Simões & Luís Cruz & Eduardo Barata, 2012. "Non-market Recreational Value of a National Forest: Survey Design and Results," GEMF Working Papers 2012-09, GEMF, Faculty of Economics, University of Coimbra.
    10. John A. List & Michael K. Price, 2013. "Using Field Experiments in Environmental and Resource Economics," NBER Working Papers 19289, National Bureau of Economic Research, Inc.
    11. Marcelo Lima, 2017. "Survey sponsor effects on the willingness to pay for mortality risk reductions," GRI Working Papers 272, Grantham Research Institute on Climate Change and the Environment.
    12. Ojea, Elena & Loureiro, Maria L., 2011. "Identifying the scope effect on a meta-analysis of biodiversity valuation studies," Resource and Energy Economics, Elsevier, vol. 33(3), pages 706-724, September.
    13. Loureiro, Maria L. & Ojea, Elena, 2008. "Valuing local endangered species: The role of intra-species substitutes," Ecological Economics, Elsevier, vol. 68(1-2), pages 362-369, December.
    14. Macario Rodríguez‐Entrena & Anastasio J. Villanueva & José A. Gómez‐Limón, 2019. "Unraveling determinants of inferred and stated attribute nonattendance: Effects on farmers’ willingness to accept to join agri‐environmental schemes," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 67(1), pages 31-52, March.
    15. Franceschi, Dina & Vásquez, William F., 2011. "Do Supervisors Affect the Valuation of Public Goods?," Agricultural and Resource Economics Review, Northeastern Agricultural and Resource Economics Association, vol. 40(2), pages 1-17, August.
    16. Mørkbak, Morten Raun & Olsen, Søren Bøye & Campbell, Danny, 2014. "Behavioral implications of providing real incentives in stated choice experiments," Journal of Economic Psychology, Elsevier, vol. 45(C), pages 102-116.
    17. John List & Michael Price, 2012. "Charitable Giving Around the World: Thoughts on How to Expand the Pie," Natural Field Experiments 00470, The Field Experiments Website.
    18. Marta-Pedroso, Cristina & Freitas, Helena & Domingos, Tiago, 2007. "Testing for the survey mode effect on contingent valuation data quality: A case study of web based versus in-person interviews," Ecological Economics, Elsevier, vol. 62(3-4), pages 388-398, May.

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