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Erscheinungsjahr: 
2009
Schriftenreihe/Nr.: 
School of Economics Discussion Papers No. 09,16
Verlag: 
University of Kent, School of Economics, Canterbury
Zusammenfassung: 
A new approach is developed for the treatment of 'Don't Know' (DK) responses, within Choice Experiments. A DK option is motivated by the need to allow respondents the opportunity to express uncertainty. Our model explains a DK using an entropy measure of the similarity between options given to respondents within the Choice Experiment. We illustrate our model by applying it to a Choice Experiment examining consumer preferences for nutrient contents in food. We find that similarity between options in a given choice set does explain the tendency for respondents to report DK.
Schlagwörter: 
choice experiment
respondent uncertainty
Bayesian methods
JEL: 
C35
I18
Q18
Dokumentart: 
Working Paper

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