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Capturing the distribution sensitivity among the poor in a multidimensional framework. A new proposal

Author

Listed:
  • Mª Casilda Lasso de la Vega

    (Department of Applied Economics IV, University of the Basque Country)

  • Ana Urrutia

    () (Department of Applied Economics IV, University of the Basque Country)

  • Amaia de Sarachu

    (Department of Applied Economics IV, University of the Basque Country)

Abstract

This paper aims to explore properties that guarantee that multidimensional poverty indices are sensitive to the distribution among the poor, one of the basic features of a poverty index. We introduce a generalization of the monotonicity sensitivity axiom which demands that, in the multidimensional framework too, a poverty measure should be more sensitive to a reduction in the income of a poor person, the poorer that person is. It is shown that this axiom ensures that poverty diminishes under a transfer from a poor individual to a poorer one, and therefore it can also be considered a straightforward generalization of the minimal transfer axiom. An axiom based on the notion of ALEP substitutability is also introduced. This axiom captures aversion to both dispersion of the distribution, and attribute correlation, and encompasses the multidimensional monotonicity sensitivity axiom we propose. Finally, we review the existing multidimensional poverty families and identify which of them fulfil the new principles.

Suggested Citation

  • Mª Casilda Lasso de la Vega & Ana Urrutia & Amaia de Sarachu, 2011. "Capturing the distribution sensitivity among the poor in a multidimensional framework. A new proposal," Working Papers 193, ECINEQ, Society for the Study of Economic Inequality.
  • Handle: RePEc:inq:inqwps:ecineq2011-193
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    File URL: http://www.ecineq.org/milano/WP/ECINEQ2011-193.pdf
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    References listed on IDEAS

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    1. Casilda Lasso de la Vega & Ana Urrutia & Amaia Sarachu, 2010. "Characterizing multidimensional inequality measures which fulfil the Pigou–Dalton bundle principle," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 35(2), pages 319-329, July.
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    More about this item

    Keywords

    Multidimensional poverty; distributional dispersion; transfer principle; attribute dependence.;

    JEL classification:

    • D30 - Microeconomics - - Distribution - - - General
    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement

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