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Discrete Choice Survey Experiments: A Comparison Using Flexible Models
Juha V. Siikamäki, David F. Layton
RFF Discussion Paper 05-60 | April 2006
RESEARCH TOPICS:
Abstract
This study investigates the convergent validity of discrete choice contingent valuation (CV) and contingent rating/ranking (CR) methods using flexible econometric methods. Our results suggest that CV and CR can produce consistent data (achieve convergent validity) when respondent’s preferred choices and the same changes in environmental quality are considered. We also find that CR models that go beyond modeling the preferred choice and include additional ranks cannot be pooled with the CV models. Accounting for preference heterogeneity via random coefficient models and their flexible structure does not make rejection of the hypothesis of convergent validity less likely, but instead rejects the hypothesis to about the same degree or perhaps more frequently than fixed parameter models commonly used in the literature.
RELATED SUBTOPICS
Valuation
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