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Income Poverty has been Halved in the Developing World, even when Accounting for Relative Poverty

Benoît Decerf () and Mery Ferrando ()
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Mery Ferrando: Tilburg University

No 546, Working Papers from ECINEQ, Society for the Study of Economic Inequality

Abstract: The first Millennium Development Goal was to halve extreme absolute poverty over the period 1990-2015. This goal has been met by a large margin, but the simultaneous increase in within-country inequality has led to an increase in relative poverty. As absolute and relative poverty evolved in opposite directions, whether or not overall poverty – which combines both absolute and relative poverty – has been reduced typically depends on the arbitrary priority assigned to absolutely poor individuals. We develop a new method for overall income poverty evaluation thatcan potentially provide judgments that do not depend on that priority parameter. We show that, if we assume that an individual who is absolutely poor is poorer than an individual who is only relatively poor, overall poverty in the developing world has been (at least) halved over the period, regardless of the value chosen for the priority parameter. This result is robust to alternative specifications of the poverty lines and to the exclusion of China or India. Alternative approaches find much less overall poverty reduction because they violate our normative assumption.

Keywords: Income Poverty; Relative Poverty; Absolute Poverty; Developing World. (search for similar items in EconPapers)
JEL-codes: D63 I32 (search for similar items in EconPapers)
Pages: 36 pages
Date: 2020-07
New Economics Papers: this item is included in nep-dev and nep-ltv
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