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Correcting the Concentration Index: A reply to Wagstaff

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  • Erreygers, Guido

Abstract

In this note, I reply to Adam Wagstaff's criticism of my corrected version of the Concentration Index for bounded health variables. I focus on three issues: (1) Wagstaff's suggestions with regard to the scale invariance property; (2) his distinction of relative and absolute inequality; and (3) a comparison of Wagstaff's index W with my index E. I show that his criticism is unfounded, and that his index is not superior to mine.

Suggested Citation

  • Erreygers, Guido, 2009. "Correcting the Concentration Index: A reply to Wagstaff," Journal of Health Economics, Elsevier, vol. 28(2), pages 521-524, March.
  • Handle: RePEc:eee:jhecon:v:28:y:2009:i:2:p:521-524
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