Growth and inequality trade-offs to eradicate absolute poverty

The relationship between growth, inequality and poverty remains elusive, despite considerable scholarship. To what extent can governments rely on growth to eradicate poverty without reducing inequality? We derive a closed-form relationship between a minimum income threshold, changes in the Gini inde...

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Main Authors: Jihoon Min, Narasimha D. Rao
Format: Article
Language:English
Published: Elsevier 2023-11-01
Series:Heliyon
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844023086498
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author Jihoon Min
Narasimha D. Rao
author_facet Jihoon Min
Narasimha D. Rao
author_sort Jihoon Min
collection DOAJ
description The relationship between growth, inequality and poverty remains elusive, despite considerable scholarship. To what extent can governments rely on growth to eradicate poverty without reducing inequality? We derive a closed-form relationship between a minimum income threshold, changes in the Gini index of income inequality and average national income required to meet this target, independent of the form of income distribution. We develop a generalized form of redistribution and validate it against historical changes in inequality. We use this formulation to illustrate feasible growth-redistribution strategies to raise entire populations above the International Poverty Line ($1.90/day) by 2030, the Sustainable Development Goal 1, in two selective countries: India and Rwanda. We show that meeting this target would require unprecedented rates of both growth and inequality reduction in Rwanda. India could not eradicate acute poverty by 2030 with growth alone, but it could with only a modest reduction in inequality.
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spelling doaj.art-cf29a03f3918413ca06a1fa11a7f210b2023-12-02T07:02:19ZengElsevierHeliyon2405-84402023-11-01911e21441Growth and inequality trade-offs to eradicate absolute povertyJihoon Min0Narasimha D. Rao1International Institute for Applied Systems Analysis (IIASA), Schlossplatz 1, A-2361, Laxenburg, Austria; Corresponding author.International Institute for Applied Systems Analysis (IIASA), Schlossplatz 1, A-2361, Laxenburg, Austria; Yale School of the Environment, Yale University, New Haven, CT, 08511, USAThe relationship between growth, inequality and poverty remains elusive, despite considerable scholarship. To what extent can governments rely on growth to eradicate poverty without reducing inequality? We derive a closed-form relationship between a minimum income threshold, changes in the Gini index of income inequality and average national income required to meet this target, independent of the form of income distribution. We develop a generalized form of redistribution and validate it against historical changes in inequality. We use this formulation to illustrate feasible growth-redistribution strategies to raise entire populations above the International Poverty Line ($1.90/day) by 2030, the Sustainable Development Goal 1, in two selective countries: India and Rwanda. We show that meeting this target would require unprecedented rates of both growth and inequality reduction in Rwanda. India could not eradicate acute poverty by 2030 with growth alone, but it could with only a modest reduction in inequality.http://www.sciencedirect.com/science/article/pii/S2405844023086498
spellingShingle Jihoon Min
Narasimha D. Rao
Growth and inequality trade-offs to eradicate absolute poverty
Heliyon
title Growth and inequality trade-offs to eradicate absolute poverty
title_full Growth and inequality trade-offs to eradicate absolute poverty
title_fullStr Growth and inequality trade-offs to eradicate absolute poverty
title_full_unstemmed Growth and inequality trade-offs to eradicate absolute poverty
title_short Growth and inequality trade-offs to eradicate absolute poverty
title_sort growth and inequality trade offs to eradicate absolute poverty
url http://www.sciencedirect.com/science/article/pii/S2405844023086498
work_keys_str_mv AT jihoonmin growthandinequalitytradeoffstoeradicateabsolutepoverty
AT narasimhadrao growthandinequalitytradeoffstoeradicateabsolutepoverty