A note on the decomposability of inequality measures

Frédéric Chantreuil, Sébastien Courtin (), Kévin Fourrey and Isabelle Lebon
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Frédéric Chantreuil: University of New Caledonia, LARJE, Ateliers DEG
Sébastien Courtin: Normandie Univ., Unicaen, CREM, UMR CNRS 6211

Social Choice and Welfare, 2019, vol. 53, issue 2, No 6, 283-298

Abstract: Abstract We propose a decomposition of inequality measures. By taking the example of the decomposition of income inequality by components, we show that this decomposition fits the definition of two elements: the sum of pure marginal contributions of income components and the sum of the pairwise interactions of all income components. This decomposition relies on the Shapley function and remains valid for a decomposition by subgroups and by components.

Date: 2019
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Citations: View citations in EconPapers (9)

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DOI: 10.1007/s00355-019-01183-9

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