Sequencing Anomalies in Choice Experiments

Brett Day () and Jose Luis Pinto Prades ()
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Brett Day: School of Environmental Sciences, University of East Anglia.
Jose Luis Pinto Prades: Department of Economics, Universidad Pablo de Olavide
Authors registered in the RePEc Author Service: Jose-Luis Pinto-Prades

No 08.10, Working Papers from Universidad Pablo de Olavide, Department of Economics

Abstract: This paper investigates whether responses to choice experiments (CEs) are subject to sequencing anomalies. While previous research has focussed on the possibility that such anomalies relate to position in the sequence of choice tasks, our research reveals that the particular sequence of tasks matters. Using a novel experimental design that allows us to test our hypotheses using robust nonparametric statistics, we observe sequencing anomalies in CE data similar to those recorded in the dichotomous choice contingent valuation literature. Those sequencing effects operate in both price and commodity dimensions and are observed to compound over a series of choice tasks. Our findings cast serious doubt on the current practice of asking each respondent to undertake several choice tasks in a CE whilst treating each response as an independent observation on that individual’s preferences.

Keywords: Choice experiments; sequencing anomalies; ordering effects; dichotomous choice contingent valuation; non-parametric testing. (search for similar items in EconPapers)
JEL-codes: C14 I10 Q51 (search for similar items in EconPapers)
Pages: 41 pages
Date: 2008-09
New Economics Papers: this item is included in nep-dcm, nep-ecm and nep-exp
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http://www.upo.es/serv/bib/wps/econ0810.pdf First version, 2008 (application/pdf)

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Persistent link: https://EconPapers.repec.org/RePEc:pab:wpaper:08.10

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