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Stated attribute non-attendance in successive choice experiments

Kehlbacher, A., Balcombe, K. and Bennett, R. (2013) Stated attribute non-attendance in successive choice experiments. Journal of Agricultural Economics, 64 (3). pp. 693-706. ISSN 0021-857X

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To link to this item DOI: 10.1111/1477-9552.12021

Abstract/Summary

Attribute non-attendance in choice experiments affects WTP estimates and therefore the validity of the method. A recent strand of literature uses attenuated estimates of marginal utilities of ignored attributes. Following this approach, we propose a generalisation of the mixed logit model whereby the distribution of marginal utility coefficients of a stated non-attender has a potentially lower mean and lower variance than those of a stated attender. Model comparison shows that our shrinkage approach fits the data better and produces more reliable WTP estimates. We further find that while reliability of stated attribute non-attendance increases in successive choice experiments, it does not increase when respondents report having ignored the same attribute twice.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Agriculture, Policy and Development > Economic and Social Sciences Division > Food Economics and Marketing (FEM)
ID Code:31219
Uncontrolled Keywords:Shrinkage;stated attribute non-attendance;successive choice experiments
Publisher:Wiley-Blackwell

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