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Measuring Inequality of Opportunity through Between-Group Inequality Components

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  • ABATEMARCO Antonio

Abstract

Opportunity egalitarians support rich-to-poor redistribution whenever this allows for the compensation of income disparities due to non-responsible choices (circum- stances). In this paper we investigate the measurement of opportunity inequality within Roemer's (1993) pragmatic theory where equally subgroup ranked individuals are assumed to be equally responsible. Given entropy-based, deprivation-based and welfaristic inequality decomposition procedures, we show that the between-group Gini index - obtained from the two-components decomposition (Dagum 1997) - is the only between-group inequality index satisfying the Pigou-Dalton principle of transfer as reformulated for opportunity egalitarianism.

Suggested Citation

  • ABATEMARCO Antonio, 2008. "Measuring Inequality of Opportunity through Between-Group Inequality Components," IRISS Working Paper Series 2008-11, IRISS at CEPS/INSTEAD.
    • Handle: RePEc:irs:iriswp:2008-11
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    Cited by:

    1. Abatemarco, Antonio & Dell'Anno, Roberto & Lagomarsino, Elena, "undated". "Measuring equity in environmental care: methodology and an application to air pollution," FEEM Working Papers 359332, Fondazione Eni Enrico Mattei (FEEM).
    2. Philippe Van Kerm, 2013. "Generalized measures of wage differentials," Empirical Economics, Springer, vol. 45(1), pages 465-482, August.
    3. REITEL Bernard & SOHN Christophe & WALTHER Olivier, 2009. "Cross-border metropolitan integration in Europe (Luxembourg, Basel and Geneva)," IRISS Working Paper Series 2009-02, IRISS at CEPS/INSTEAD.
    4. Abatemarco, Antonio, 2016. "Doing rawls justice: Evidence from the PSID," Economics - The Open-Access, Open-Assessment E-Journal (2007-2020), Kiel Institute for the World Economy, vol. 10, pages 1-39.
    5. Domenico Rossignoli, 2015. "Too many and too much? Special-interest groups and inequality at the turn of the century," Rivista Internazionale di Scienze Sociali, Vita e Pensiero, Pubblicazioni dell'Universita' Cattolica del Sacro Cuore, vol. 130(3), pages 337-366.
    6. Antonio Abatemarco & Elena Lagomarsino & Maria Russolillo, 2023. "Gender Pension Gap in EU Countries: A Between-Group Inequality Approach," Risks, MDPI, vol. 11(3), pages 1-15, March.
    7. Stéphane Mussard, 2010. "Pair-Based Decomposable Inequality Measures," Cahiers de recherche 10-27, Departement d'économique de l'École de gestion à l'Université de Sherbrooke.

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    JEL classification:

    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement

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