Harry Telser () (Socioeconomic Institute, University of Zurich) Peter Zweifel () (Socioeconomic Institute, University of Zurich)
Abstract
There is growing interest in discrete-choice experiments (DCE) as a method to elicit consumers' preferences in the health care sector. Increasingly this method is used to determine willingness-to-pay (WTP) for health-related goods. However, its external validity in the health care domain has not been investigated until today. This paper examines the external validity of DCE concerning the reduction of a health risk. Convergent validity is examined by comparing the value of a statistical life with other preference elicitation techniques, such as revealed preference. Criterion validity is shown by comparing WTP values derived from stated choices in the experiment with those derived from actual choices made by the same individuals. Both tests provide strong evidence in favor of external validity of the DCE method.
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Publisher Info
Paper provided by University of Zurich, Socioeconomic Institute in its series Working Papers with number
0313.
Length: 21 pages Date of creation: Oct 2003 Date of revision:
Feb 2005 Publication status: Published in Applied Economics 39(1), 69-78, 2007 Handle: RePEc:soz:wpaper:0313
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