Starting Point Bias in Dichotomous Choice Valuation with Follow-Up Questioning
AbstractFollow-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.
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Bibliographic InfoArticle provided by Elsevier in its journal Journal of Environmental Economics and Management.
Volume (Year): 30 (1996)
Issue (Month): 1 (January)
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Web page: http://www.elsevier.com/locate/inca/622870
Other versions of this item:
- Herriges, Joseph A. & Shogren, Jason F., 1996. "Starting Point Bias in Dichotomous Choice Valuation with Follow-Up Questioning," Staff General Research Papers 1501, Iowa State University, Department of Economics.
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RePEc Biblio mentionsAs found on the RePEc Biblio, the curated bibliography for Economics:
- > Environmental and Natural Resource Economics > Environmental Economics > Valuation > Contingent valuation method > Question format and econometric issues
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