Journal
JOURNAL OF HEALTH ECONOMICS
Volume 28, Issue 4, Pages 894-901Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jhealeco.2009.04.004
Keywords
Stated-preference methods; Cheap talk; Wtp space; Discrete choice
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Subjects with rheumatoid arthritis (RA) enrolled in an online panel were asked to evaluate pairs of treatment alternatives with different attributes. Half of the sample sawa cheap-talk text. Preference parameters were estimated using random-parameters logit models to account for unobserved taste heterogeneity. The models also were estimated in willingness-to-pay (WTP) space instead of conventional utility space. Cheap talk not only affected the coefficient on the cost attribute, but also preferences for other attributes. WTP estimates were generally lower in cheap talk sample, except for the most important attribute and a 2-level attribute. Subjects who were presented with cheap talk discriminated between the adjoning attribute levels better than the subjects in the control sample. (C) 2009 Elsevier B.V. All rights reserved.
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