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

  • Maria Loureiro
  • Justus Lotade

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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File URL: http://hdl.handle.net/10.1007/s10640-004-1149-4
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Article provided by European Association of Environmental and Resource Economists in its journal Environmental & Resource Economics.

Volume (Year): 30 (2005)
Issue (Month): 1 (January)
Pages: 49-72

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Handle: RePEc:kap:enreec:v:30:y:2005:i:1:p:49-72
Contact details of provider: Web page: http://www.springerlink.com/link.asp?id=100263

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  1. 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.
  2. 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.
  3. Cameron, Trudy Ann & Huppert, Daniel D., 1989. "OLS versus ML estimation of non-market resource values with payment card interval data," Journal of Environmental Economics and Management, Elsevier, vol. 17(3), pages 230-246, November.
  4. 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.
  5. 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.
  6. Ethier, Robert G. & Poe, Gregory L. & Schulze, William D. & Clark, Jeremy, 1997. "A Comparison Of Hypothetical Phone And Mail Contingent Valuation Responses For Green Pricing Electricity Programs," Working Papers 7245, Cornell University, Department of Applied Economics and Management.
  7. 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.
  8. Ajzen, Icek & Brown, Thomas C. & Rosenthal, Lori H., 1996. "Information Bias in Contingent Valuation: Effects of Personal Relevance, Quality of Information, and Motivational Orientation," Journal of Environmental Economics and Management, Elsevier, vol. 30(1), pages 43-57, January.
  9. 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.
  10. 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.
  11. 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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