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Intermediate inequality and welfare.

By Coral del Río and Javier Ruiz-Castillo

Abstract

We introduce a new centrist or intermediate inequality concept, between the usual relative and absolute notions, which is shown to be a variant of the α-ray invariant inequality measures in Pfingsten and Seidl (1997). We say that distributions x and y have the same (x, π)-inequality if the total income difference between them is allocated among the individuals as follows: 100π% preserving income shares in x, and 100(1−π)% in equal absolute amounts. This notion can be made as operational as current standard methods in Shorrocks (1983).

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Citations

  1. (1987). A New Concept of Lorenz Domination. Econ Lett 23: 203 207 16P®ngsten A, Seidl C
  2. (1997). Crossnational Comparisons of Earnings and Income Inequality.
  3. (1992). Measurement of Income Inequality. Experimental Test by Questionnaire.
  4. (1994). Theory 41: 23 33 Harrison E, Seidl C

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