Robust rankings of socioeconomic health inequality using a categorical variable

Makdissi, Paul and Yazbeck, Myra (2017) Robust rankings of socioeconomic health inequality using a categorical variable. Health Economics, 26 9: 1132-1145. doi:10.1002/hec.3499

Author Makdissi, Paul
Yazbeck, Myra
Title Robust rankings of socioeconomic health inequality using a categorical variable
Journal name Health Economics   Check publisher's open access policy
ISSN 1099-1050
Publication date 2017-09-01
Year available 2017
Sub-type Article (original research)
DOI 10.1002/hec.3499
Open Access Status Not yet assessed
Volume 26
Issue 9
Start page 1132
End page 1145
Total pages 14
Place of publication West Sussex, United Kingdom
Publisher John Wiley & Sons
Language eng
Abstract When assessing socioeconomic health inequalities, researchers often draw upon measures of income inequality that were developed for ratio scale variables. As a result, the use of categorical data (such as self-reported health status) produces rankings that may be arbitrary and contingent to the numerical scale adopted. In this paper, we develop a method that overcomes this issue by providing conditions for which these rankings are invariant to the numerical scale chosen by the researcher. In doing so, we draw on the insight provided by Allison and Foster (2004) and extend their method to the dimension of socioeconomic inequality by exploiting the properties of rank-dependent indices such as Wagstaff (2002) achievement and extended concentration indices. We also provide an empirical illustration using the National Institute of Health Survey 2012.
Keyword Health achievement
Health inequality
Self-reported health status
Self-reported sadness
Stochastic dominance
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
School of Economics Publications
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