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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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    3. Lindhjem, Henrik & Navrud, Ståle, 2008. "Internet CV surveys – a cheap, fast way to get large samples of biased values?," MPRA Paper 11471, University Library of Munich, Germany.
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    7. Syed Sibghatullah Shah & Zahid Asghar, 2024. "Individual attitudes towards environmentally friendly choices: a comprehensive analysis of the role of legal rules, religion, and confidence in government," Journal of Environmental Studies and Sciences, Springer;Association of Environmental Studies and Sciences, vol. 14(4), pages 629-651, December.
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    9. 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.
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    11. 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.
    12. 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.
    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. 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.
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    19. 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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