Measuring income polarization using Bonferroni and De Vergottini inequality indices: evidences from European countries

Mariateresa Ciommi (), Chiara Gigliarano () and Francesco Maria Chelli ()
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Mariateresa Ciommi: Università Politecnica delle Marche
Chiara Gigliarano: LIUC - Università Cattaneo
Francesco Maria Chelli: Università Politecnica delle Marche

METRON, 2024, vol. 82, issue 3, No 3, 245-267

Abstract: Abstract The aim of this paper is to measure to which extent income distribution is polarized across European countries by means of polarization measures based on the Bonferroni and De Vergottini indices of inequality. Different from traditional measures of polarization, the indices proposed in this paper are sensitive to progressive transfers, attaching more importance to some part of the income distribution. These indices enriches the analysis and contribute to disentangle the different faces of income polarization. In the empirical application we compare European countries over the period 2010–2019 using EU-SILC data. Results reveal significant changes in polarization over the last decades for most countries.

Keywords: Bonferroni index; De Vergottini index; Gini index; Inequality; Subgroup decomposition; Polarization measurement (search for similar items in EconPapers)
JEL-codes: C43 D31 D63 I32 (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s40300-024-00273-8

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