Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/51151
Title: Economic evaluation of health effects with preference imprecision
Authors: Vázquez, María Xosé 
Araña, Jorge E. 
León González, Carmelo Javier 
Keywords: Willingness-To-Pay
Contingent Valuation Surveys
Air-Pollution
Discrete-Choice
Probit Model, et al
Issue Date: 2006
Publisher: 1057-9230
Journal: Health Economics 
Abstract: The estimation of economic benefits of health effects through direct methods, such as contingent valuation. presents the problem of preference imprecision. This paper deals with this problem by proposing an elicitation method that allows the subject to state an interval for willingness to pity. without inducing any specific amount as a response. The paper also analyzes the effects of the context where changes in health occur on the associated imprecision level and the estimates, by comparing a Situation without context with another in which effects are due to atmospheric pollution. The econometric modelling develops a Bayesian estimation method for censored intervals, which models the existing uncertainty between the lower and upper limits derived from the elicitation process. Results prove that data dispersion is significantly higher for the non-contextual scenario, and increases for the most severe symptoms Copyright (c) 2006 John Wiley & Sons, Ltd.
URI: http://hdl.handle.net/10553/51151
ISSN: 1057-9230
DOI: 10.1002/hec.1079
Source: Health Economics[ISSN 1057-9230],v. 15, p. 403-417
Appears in Collections:Artículos
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