A Method for Improving Welfare Estimates from Multiple-Referendum Surveys
University of Georgia - Department of Agricultural & Applied Economics
Daniel R. Petrolia
Mississippi State University - Department of Agricultural Economics
Matthew G. Interis
Mississippi State University
April 1, 2012
Journal of Agricultural & Resource Economics, Forthcoming
This paper introduces an alternative non-market value elicitation method, the “quasi-double-referendum (QDR),” applied to barrier island restoration in Mississippi. It is appropriate for surveys which elicit willingness-to-pay responses to multiple projects differing in scale only, and can be used to increase efficiency while mitigating bias. We compare results to the more commonly used single-referendum (SR) method under two admissible ranges of willingness to pay: negative to positive infinity, and zero to income. The confidence intervals of the QDR models were narrower. We argue that the QDR approach should be less subject to bias than the commonly used double-referendum approach.
Number of Pages in PDF File: 29
Keywords: quasi double-bound method, single-bound method, willingness to pay
JEL Classification: C34, Q24
Date posted: April 2, 2012
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