Starting Point Bias in Dichotomous Choice Valuation with Follow-Up Questioning

Starting Point Bias in Dichotomous Choice Valuation with Follow-Up Questioning Follow-up questions are frequently used to improve the efficiency of dichotomous choice contingent valuation questionnaires. However, a number of authors (e.g., (12, 16)) have noted a significant difference between the WTP distributions implied by initial and follow-up question responses. This paper investigates starting point bias as one explanation for the phenomenon. We develop a model of starting point bias in the context of dichotomous choice questioning with follow-up, using a Monte Carlo simulation to illustrate the potential bias imparted to WTP estimates. An application is provided based on data from a CV study in northcentral Iowa. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Environmental Economics and Management Elsevier

Starting Point Bias in Dichotomous Choice Valuation with Follow-Up Questioning

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Publisher
Elsevier
Copyright
Copyright © 1996 Academic Press
ISSN
0095-0696
D.O.I.
10.1006/jeem.1996.0008
Publisher site
See Article on Publisher Site

Abstract

Follow-up questions are frequently used to improve the efficiency of dichotomous choice contingent valuation questionnaires. However, a number of authors (e.g., (12, 16)) have noted a significant difference between the WTP distributions implied by initial and follow-up question responses. This paper investigates starting point bias as one explanation for the phenomenon. We develop a model of starting point bias in the context of dichotomous choice questioning with follow-up, using a Monte Carlo simulation to illustrate the potential bias imparted to WTP estimates. An application is provided based on data from a CV study in northcentral Iowa.

Journal

Journal of Environmental Economics and ManagementElsevier

Published: Jan 1, 1996

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