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Beyond Piketty: A new perspective on poverty and inequality in India

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  • Kulkarni, Varsha S.
  • Gaiha, Raghav

Abstract

The socio-economic literature has focused much on how overall inequality in income distribution (frequently measured by the Gini coefficient) undermines the “trickle down” effect. In other words, the higher the inequality in the income distribution, the lower is the growth elasticity of poverty. However, with the publication of Piketty’s magnum opus (2014), and a subsequent study by Chancel and Piketty (2017) of evolution of income inequality in India since 1922, the focus has shifted to the income disparity between the richest 1% (or 0.01%) and the bottom 50%. Their central argument is that the rapid growth of income at the top end of millionaires and billionaires is a by-product of growth. The present study extends this argument by linking it to poverty indices in India. Based on the India Human Development Survey 2005–12 – a nationwide panel survey-we examine the links between poverty and income inequality, especially in the upper tail relative to the bottom 50%, state affluence (measured in per capita income) and their interaction or their joint effect. Another feature of our research is that we analyse their effects on the FGT class of poverty indices. The results are similar in as much as direction of association is concerned but the elasticities vary with the poverty index. The growth elasticities are negative and significant for all poverty indices. In all three cases, the disparity between the income share of the top 1% and share of the bottom 50% is associated with greater poverty. These elasticities are much higher than the (absolute) income elasticities except in the case of the poverty gap. The largest increase occurs in the poverty gap squared – a 1% greater income disparity is associated with a 1.24% higher value of this index. Thus the consequences of even a small increase in the income disparity are alarming for the poorest.

Suggested Citation

  • Kulkarni, Varsha S. & Gaiha, Raghav, 2021. "Beyond Piketty: A new perspective on poverty and inequality in India," Journal of Policy Modeling, Elsevier, vol. 43(2), pages 317-336.
  • Handle: RePEc:eee:jpolmo:v:43:y:2021:i:2:p:317-336
    DOI: 10.1016/j.jpolmod.2020.10.003
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    More about this item

    Keywords

    Income inequality; Piketty's measure; FGT class of poverty indices; Inequality and poverty; India;
    All these keywords.

    JEL classification:

    • D31 - Microeconomics - - Distribution - - - Personal Income and Wealth Distribution
    • D63 - Microeconomics - - Welfare Economics - - - Equity, Justice, Inequality, and Other Normative Criteria and Measurement
    • F63 - International Economics - - Economic Impacts of Globalization - - - Economic Development

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