A new index combining the absolute and relative aspects of income poverty: Theory and application

Benoît Decerf ()

No 2015050, LIDAM Discussion Papers CORE from Université catholique de Louvain, Center for Operations Research and Econometrics (CORE)

Abstract: I derive a new index combining the absolute and relative aspects of income poverty. Earning a larger income decreases one’s absolute poverty but experiencing a larger income inequality increases one’s relative poverty. Provided that the individual poverty is not computed based on the normalized income, the two aspects can be weighed such that absolutely poor individuals are always considered poorer than relatively poor individuals. Only the value of poverty aversion associated with the Poverty Gap Ratio is consistent with this approach. An application illustrates that the new index yields intuitive judgments about unequal growth experiences, for which all absolute (resp. relative) poverty indices systematically conclude that poverty has decreased (resp. increased).

Keywords: Income Poverty Measure; Relative Poverty; Absolute Poverty; Income Inequality; Poverty Lines; Decomposable Index (search for similar items in EconPapers)
Date: 2015-12-06
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:cor:louvco:2015050

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