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New perspectives on a more-or-less familiar poverty index, with extensions


  • Kristof Bosmans

    () (Maastricht University)

  • Lucio Esposito

    () (Università degli Studi di Pavia)

  • Peter Lambert

    () (University of Oregon)


A particular scale-invariant index of poverty is subjected to careful analysis. This leads to a new perspective, not seen before, on the family of subgroup-consistent and scale-invariant poverty indices. Parametric families of new poverty indices are presented which offer the analyst a degree of flexibility in the choice of transfer sensitivity and distribution sensitivity which has not been available before now.

Suggested Citation

  • Kristof Bosmans & Lucio Esposito & Peter Lambert, 2009. "New perspectives on a more-or-less familiar poverty index, with extensions," Working Papers 116, ECINEQ, Society for the Study of Economic Inequality.
  • Handle: RePEc:inq:inqwps:ecineq2009-116

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    Poverty measurement; Distributional properties.;

    JEL classification:

    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement

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