Journal
JOURNAL OF CHOICE MODELLING
Volume 28, Issue -, Pages 10-27Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jocm.2018.04.003
Keywords
Flexible taste distributions; Mixed logit; Logit mixed logit; Food preferences; Preference heterogneity
Categories
Funding
- USDA National Institute of Food and Agriculture, [Hatch] project [1013332]
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We empirically question the commonly invoked assumption of normality of taste distribution in mixed logit models with continuous random parameters. We use a WTP-space random utility discrete choice model with flexible distributions on data from two choice experiments regarding beef with nested set of quality attributes. We specifically focus on distributional features such as asymmetry, multi-modality and range of variation, and find little support for normality. Our results are robust to attribute dimensionality in experimental design. Implications of our results for practitioners in the field are discussed.
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