Poverty Measurement Under Income Risk
AbstractPoverty indices are usually calculated on the basis of (cross section) income data from the past. As past income is fixed and future income is uncertain such measurement does not reflect the ex ante risk of falling into poverty. This paper presents refinements of commonly used poverty measures to account for income risk. It is shown that the standard headcount ratio underestimates poverty in societies with moderate poverty if income is risky. The Foster, Greer and Thorbecke measure always underestimates poverty if income risk is neglected.
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Bibliographic InfoArticle provided by Justus-Liebig University Giessen, Department of Statistics and Economics in its journal Journal of Economics and Statistics.
Volume (Year): 224 (2004)
Issue (Month): 3 (May)
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Poverty measurement; income risk; underestimation of poverty;
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