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First estimates of inequality benchmark incomes for a range of countries

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  • Laurence S J Roope

Abstract

It is known that virtually all inequality measures imply the existence of a ‘benchmark income’, above which adding incremental income increases inequality, and below which it decreases inequality. Benchmark incomes can be interpreted as social reference levels that identify the richest individual for whom it would be just to subsidize their income. Despite the intuitive appeal of benchmark incomes, there have been hardly any empirical applications to date. This paper provides the first estimates of benchmark incomes for a range of contrasting countries and different inequality measures. All benchmark incomes lie far above official national poverty lines. The results suggest that economic growth together with falling inequality need not necessarily be poverty reducing.

Suggested Citation

  • Laurence S J Roope, 2021. "First estimates of inequality benchmark incomes for a range of countries," PLOS ONE, Public Library of Science, vol. 16(3), pages 1-8, March.
    • Handle: RePEc:plo:pone00:0248178
    DOI: 10.1371/journal.pone.0248178
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    References listed on IDEAS

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    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. Peter J. Lambert, 2014. "The Impact of a Marginal Subsidy on Gini Indices: Comment," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 60(3), pages 604-605, September.
    3. Hoffmann, Rodolfo, 2001. "Effect of the rise of a person's income on inequality," Brazilian Review of Econometrics, Sociedade Brasileira de Econometria - SBE, vol. 21(2), November.
    4. Sudhir Anand & Paul Segal, 2008. "What Do We Know about Global Income Inequality?," Journal of Economic Literature, American Economic Association, vol. 46(1), pages 57-94, March.
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    7. Miguel Niño‐Zarazúa & Laurence Roope & Finn Tarp, 2017. "Global Inequality: Relatively Lower, Absolutely Higher," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 63(4), pages 661-684, December.
    8. Alejandro Corvalan, 2014. "The Impact of a Marginal Subsidy on Gini Indices," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 60(3), pages 596-603, September.
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