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Inequality based on Lorenz dominance criteria. An application to Mayotte using nightlights

Author

Listed:
  • Frédéric Chantreuil

    (Université de La Réunion, CEMOI)

  • Idriss Fontaine

    (Université de La Réunion, CEMOI)

  • François Hermet

    (Université de La Réunion, CEMOI)

Abstract

Using high-resolution spatial datasets for nightlights and population, we propose an alternative measure of income for the French overseas department of Mayotte in 2013 and 2019. From these two distributions, we examine changes in inequality between these periods by deriving both relative and absolute Lorenz curves. Standard criteria based on first- or second-degree relative Lorenz dominance are inconclusive, as the associated Lorenz curves intersect in both cases. By turning to the analysis of absolute Lorenz curves, we can discriminate between the two distributions, but only at the second-degree of Lorenz dominance. This finding suggests that, under the implied conception of distributive justice, Mayotte exhibited greater inequality in 2019 than in 2013.

Suggested Citation

  • Frédéric Chantreuil & Idriss Fontaine & François Hermet, 2025. "Inequality based on Lorenz dominance criteria. An application to Mayotte using nightlights," Economics Bulletin, AccessEcon, vol. 45(1), pages 446-457.
    • Handle: RePEc:ebl:ecbull:eb-24-00520
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    File URL: http://www.accessecon.com/Pubs/EB/2025/Volume45/EB-25-V45-I1-P40.pdf
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    More about this item

    Keywords

    Nightlights; Inequality; Lorenz dominance criteria; Mayotte;
    All these keywords.

    JEL classification:

    • D3 - Microeconomics - - Distribution
    • D6 - Microeconomics - - Welfare Economics

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