Information Bias in Contingent Valuation: Effects of Personal Relevance, Quality of Information, and Motivational Orientation

A laboratory experiment examined the potential for information bias in contingent valuation (CV). Consistent with the view that information about a public or private good can function as a persuasive communication, willingness to pay (WTP) was found to increase with the quality of arguments used to...

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Bibliographic Details
Published in:Journal of environmental economics and management 1996-01, Vol.30 (1), p.43-57
Main Authors: Ajzen, Icek, Brown, Thomas C., Rosenthal, Lori H.
Format: Article
Language:English
Subjects:
Bias
Communication
Consumer behavior
Consumer goods
Economic theory
Economics
Environmental economics
Environmental protection
Estimation bias
Information dissemination
Laboratories
Motivation
Public good
Studies
Valuation
Willingness to pay
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Summary:A laboratory experiment examined the potential for information bias in contingent valuation (CV). Consistent with the view that information about a public or private good can function as a persuasive communication, willingness to pay (WTP) was found to increase with the quality of arguments used to describe the good, especially under conditions of high personal relevance. Under low personal relevance, WTP for a public (but not for a private) good was higher when an altruistic, as opposed to an individualistic, orientation was activated. It is concluded that the nature of the information provided in CV surveys can profoundly affect WTP estimates, and that subtle contextual cues can seriously bias these estimates under conditions of low personal relevance.
ISSN:0095-0696
1096-0449
DOI:10.1006/jeem.1996.0004