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From the bottom 40 to inequality lines: Sharing prosperity globally and domestically

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  • Borja Lopez-Noval
  • Miguel Niño-Zarazúa
  • Laurence Roope
  • Finn Tarp

Abstract

A major of focus of global development policy is the aim to achieve and sustain income growth of the bottom 40% (B40) of the population at a rate higher than the national average. We propose an alternative approach to assessing shared prosperity using 'inequality lines'. Analogous to poverty lines but focused on inequality, inequality lines are benchmark incomes. Income increases below the inequality line decrease inequality; income increases above the line increase inequality.

Suggested Citation

  • Borja Lopez-Noval & Miguel Niño-Zarazúa & Laurence Roope & Finn Tarp, 2024. "From the bottom 40 to inequality lines: Sharing prosperity globally and domestically," WIDER Working Paper Series wp-2024-77, World Institute for Development Economic Research (UNU-WIDER).
    • Handle: RePEc:unu:wpaper:wp-2024-77
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    References listed on IDEAS

    as
    1. Laurence S. J. Roope, 2019. "Characterizing inequality benchmark incomes," Economic Theory Bulletin, Springer;Society for the Advancement of Economic Theory (SAET), vol. 7(1), pages 131-145, May.
    2. Kolm, Serge-Christophe, 1976. "Unequal inequalities. I," Journal of Economic Theory, Elsevier, vol. 12(3), pages 416-442, June.
    3. Sergei Guriev, 2018. "Economic Drivers of Populism," AEA Papers and Proceedings, American Economic Association, vol. 108, pages 200-203, May.
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