Mirror, mirror, on the wall, who in this land is fairest of all? Revisiting the extended concentration index
This paper explores three alternative indices for measuring health inequalities in a way that takes into account attitudes towards inequality. Firstly, we revisit the extended concentration index which has been proposed to generalise the value judgements implicit in the standard concentration index. We then examine two alternative measures which have desirable mirror properties. One of these indices applies symmetric weights which is a property of the standard concentration index. We also examine the bias that arises when all three measures are applied to small samples. We propose a correction for this small sample bias and use Monte Carlo simulations to check whether it works. We empirically compare the different indices for under-five mortality rates in developing countries.
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- Hernández-Quevedo, Cristina & Jones, Andrew M. & López-Nicolás, Angel & Rice, Nigel, 2006.
"Socioeconomic inequalities in health: A comparative longitudinal analysis using the European Community Household Panel,"
Social Science & Medicine,
Elsevier, vol. 63(5), pages 1246-1261, September.
- Cristina Hernández Quevedo & Andrew M Jones & Ángel López Nicolás & Nigel Rice, 2005. "Socioeconomic inequalities in health: a comparative longitudinal analysis using the European Community Household Panel," Health, Econometrics and Data Group (HEDG) Working Papers 05/12, HEDG, c/o Department of Economics, University of York.
- Tom Van Ourti & Philip Clarke, 2011. "A Simple Correction to Remove the Bias of the Gini Coefficient due to Grouping," The Review of Economics and Statistics, MIT Press, vol. 93(3), pages 982-994, August.
- Lerman, Robert I. & Yitzhaki, Shlomo, 1989. "Improving the accuracy of estimates of Gini coefficients," Journal of Econometrics, Elsevier, vol. 42(1), pages 43-47, September.
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