Sequencing Anomalies in Choice Experiments
AbstractThis 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.
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Bibliographic InfoPaper provided by Universidad Pablo de Olavide, Department of Economics in its series Working Papers with number 08.10.
Length: 41 pages
Date of creation: Sep 2008
Date of revision:
Choice experiments; sequencing anomalies; ordering effects; dichotomous choice contingent valuation; non-parametric testing.;
Find related papers by JEL classification:
- Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects
- C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
- I10 - Health, Education, and Welfare - - Health - - - General
This paper has been announced in the following NEP Reports:
- NEP-ALL-2008-09-20 (All new papers)
- NEP-DCM-2008-09-20 (Discrete Choice Models)
- NEP-ECM-2008-09-20 (Econometrics)
- NEP-EXP-2008-09-20 (Experimental Economics)
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