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Article: Item nonresponse in contingent valuation: should CV researchers impute values for missing independent variables? (contingent valuation)
- Article from:
- Journal of Leisure Research
- Article date:
- June 22, 1994
- Author:
CopyrightCOPYRIGHT 1994 National Recreation and Park Association. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Introduction
Researchers who use the contingent valuation (CV) method have as a goal the measurement of valid and reliable estimates of economic values, or willingness to pay (WTP), for environmental goods (Mitchell & Carson, 1989). The contingent values should be free of sample-related bias, such as unit nonresponse (Loomis 1987, Edwards & Anderson, 1987, Dalecki, Whitehead, & Blomquist, 1993), sample selection (Whitehead, Groothuis, & Blomquist, 1993), or item nonresponse on the CV question (Mitchell & Carson, 1989).
Item nonresponse is a common problem in survey-based research (Madow, Olkin, & Rubin, 1983; Connelly & Brown, 1992). CV researchers have ...