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On the decomposition by sources of the Zenga 1984 point and synthetic inequality indexes


  • Alberto Arcagni

    () (University of Milan - Bicocca)


Abstract In this work we provide a decomposition by sources of the inequality index $$\zeta $$ ζ defined by Zenga (Giornale degli Economisti e Annali di economia 43(5–6):301–326, 1984). The source contributions are obtained with the method proposed in Zenga et al. (Stat Appl X(1):3–31, 2012) and Zenga (Stat Appl XI(2):133–161, 2013), that allows to compare different inequality measures. This method is based on the decomposition of inequality curves. To apply this decomposition to the index $$\zeta $$ ζ and its inequality curve, we adapt the method to the “cograduation” table. Moreover, we consider the case of linear transformation of sources and analyse the corresponding results.

Suggested Citation

  • Alberto Arcagni, 2017. "On the decomposition by sources of the Zenga 1984 point and synthetic inequality indexes," Statistical Methods & Applications, Springer;Società Italiana di Statistica, vol. 26(1), pages 113-133, March.
  • Handle: RePEc:spr:stmapp:v:26:y:2017:i:1:d:10.1007_s10260-016-0360-0
    DOI: 10.1007/s10260-016-0360-0

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    References listed on IDEAS

    1. Shorrocks, A F, 1982. "Inequality Decomposition by Factor Components," Econometrica, Econometric Society, vol. 50(1), pages 193-211, January.
    2. Lerman, Robert I. & Yitzhaki, Shlomo, 1984. "A note on the calculation and interpretation of the Gini index," Economics Letters, Elsevier, vol. 15(3-4), pages 363-368.
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