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Constructing indices of multivariate polarization

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Abstract

Multivariate indices of polarization are constructed to measure effects of non-income attributes like wealth and education. Polarization is considered as the presence of groups which are internally homogeneous, externally heterogeneous, and of similar size. We propose a class of polarization indices which is built from measures of relative groups size and from decomposable indices of socio-economic inequality. For the latter, we employ the special inequality indices of Maasoumi (Econometrica 54:991–997, 1986), Tsui (J Econ Theory 67:251–265, 1995; Soc Choice Welf 16:145–157, 1999) and Koshevoy and Mosler (J Multivar Anal 60:252–276, 1997). Then, postulates for multidimensional polarization measurement are stated and discussed. The approach is illustrated by an empirical application to the population of the East and West Germany with polarization defined on income and education.

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Authors and Affiliations

  1. Department of Economics, Università Politecnica delle Marche, piazzale Martelli 8, 60121, Ancona, Italy

    Chiara Gigliarano

  2. Universität zu Köln, 50923, Köln, Germany

    Karl Mosler

Authors
  1. Chiara Gigliarano
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  2. Karl Mosler
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Correspondence to Chiara Gigliarano.

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Gigliarano, C., Mosler, K. Constructing indices of multivariate polarization. J Econ Inequal 7, 435–460 (2009). https://doi.org/10.1007/s10888-008-9096-x

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  • DOI: https://doi.org/10.1007/s10888-008-9096-x

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