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External Validation of the Use of Vignettes in Cross-Country Health Studies

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Author Info
Datta Gupta, Nabanita () (Aarhus School of Business)
Kristensen, Nicolai () (AKF, Danish Institute of Governmental Research)
Pozzoli, Dario () (University of Aarhus)

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Abstract

Cross-country comparisons of subjective assessments are rendered difficult if not impossible because of sub-population specific response style. To correct for this, the use of vignettes has become increasingly popular, notably within cross-country health studies. However, the validity of vignettes as a means to re-scale across sample populations critically rests on the assumption of "response consistency" (RC): that vignettes and self-assessments are evaluated on the same scale. In this paper, we seek to test this assumption by applying objective measures of health along with subjective measures and vignettes. Our results indicate that the assumption of RC is not innocuous and that our extended model relaxing this assumption improves the fit and significantly changes the cross-country rankings of health vis-à-vis the standard Chopit model.

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Publisher Info
Paper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number 3989.

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Length: 43 pages
Date of creation: Feb 2009
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Handle: RePEc:iza:izadps:dp3989

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Related research
Keywords: cross-country health comparison; vignettes; subjective and objective measures;

Find related papers by JEL classification:
C25 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Discrete Regression and Qualitative Choice Models
I10 - Health, Education, and Welfare - - Health - - - General

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This page was last updated on 2009-11-23.


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