Does Specification Error Explain the Discrepancy Between Open-Ended and Dichotomous Choice Contigent Valuation Responses? A Comment on "Monte Carlo Benchmarks for Discrete Valuation Methods" by Ju-Chin Huang and V. Kerry Smith

In this working paper we demonstrate that some of the statistical tests used by Huang and Smith in a recent Land Economics article (74(2 1998): 186-202) were erroneous, and raise concerns about their corresponding conclusions. Specifically, using data from one of the studies that they showcase, we demonstrate that Huang and Smith’s analysis suggesting statistical equality between hypothetical dichotomous choice responses and actual contributions is incorrect. We further show that their purported equality between dichotomous choice and open-ended response formats is unfounded. Based on these analyses we conclude that when real humans make real or stated decisions, the observed procedural variance across elicitation methods and the degree of hypothetical bias are more fundamental than relying on alternative econometric specifications.

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 Record created 2017-04-01, last modified 2020-10-28

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