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

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  • Maria Loureiro

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  • 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

Suggested Citation

  • 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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    References listed on IDEAS

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    1. Trudy Ann Cameron, 1991. "Interval Estimates of Non-Market Resource Values from Referendum Contingent Valuation Surveys," Land Economics, University of Wisconsin Press, vol. 67(4), pages 413-421.
    2. Bishwanath Goldar & Smita Misra, 2001. "Valuation of Environmental Goods: Correcting for Bias in Contingent Valuation Studies Based on Willingness-to-Accept," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 83(1), pages 150-156.
    3. Christopher G. Leggett & Naomi S. Kleckner & Kevin J. Boyle & John W. Dufield & Robert Cameron Mitchell, 2003. "Social Desirability Bias in Contingent Valuation Surveys Administered Through In-Person Interviews," Land Economics, University of Wisconsin Press, vol. 79(4), pages 561-575.
    4. van Ravenswaay, Eileen O. & Blend, Jeffrey R., 1999. "Consumer Demand For Ecolabeled Apples: Results From Econometric Estimation," Staff Papers 11673, Michigan State University, Department of Agricultural, Food, and Resource Economics.
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    7. Steven F. Edwards & Glen D. Anderson, 1987. "Overlooked Biases in Contingent Valuation Surveys: Some Considerations," Land Economics, University of Wisconsin Press, vol. 63(2), pages 168-178.
    8. Jeffrey R. Blend & Eileen O. van Ravenswaay, 1999. "Measuring Consumer Demand for Ecolabeled Apples," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 81(5), pages 1072-1077.
    9. Cameron, Trudy Ann, 1988. "A new paradigm for valuing non-market goods using referendum data: Maximum likelihood estimation by censored logistic regression," Journal of Environmental Economics and Management, Elsevier, vol. 15(3), pages 355-379, September.
    10. Mark L. Messonnier & John C. Bergstrom & Christopher M. Cornwell & R. Jeff Teasley & H. Ken Cordell, 2000. "Survey Response-Related Biases in Contingent Valuation: Concepts, Remedies, and Empirical Application to Valuing Aquatic Plant Management," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 82(2), pages 438-450.
    11. Robert G. Ethier & Gregory L. Poe & William D. Schulze & Jeremy Clark, 2000. "Comparison of Hypothetical Phone and Mail Contingent Valuation Responses for Green-Pricing Electricity Programs," Land Economics, University of Wisconsin Press, vol. 76(1), pages 54-67.
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    Citations

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    Cited by:

    1. 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.
    2. 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.
    3. 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.
    4. 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.
    5. 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.
    6. 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.
    7. 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.
    8. 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.
    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. 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), August.
    11. 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.
    12. 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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