World Bank's international poverty line of $1.90/day, at 2011 purchasing power parity, is based on a collection of national poverty lines, which were originally used to set the international poverty line of $1.25/day at 2005 purchasing power parity. This paper proposes an approach for estimating a more recent, complete, and comparable collection of national poverty thresholds from reported national poverty rates. The paper presents a set of international poverty lines based on this new database of national poverty lines. In contrast to the lines used to estimate the $1.90 international poverty line, this approach produces national poverty lines that are (1) consistent with national poverty rates, (2) expressed in common units, and (3) provide greater support to the estimated international poverty line. These national poverty lines are used to estimate an extreme international poverty line, and three higher lines that are more relevant for higher-income countries. A key finding provides evidence of the robustness and relevance of the $1.90 international poverty line as a measure of extreme poverty for low-income countries.
Details
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Author
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Document Date
2016/03/17
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Document Type
Policy Research Working Paper
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Report Number
WPS7606
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Volume No
1
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Total Volume(s)
1
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Country
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Region
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Disclosure Date
2016/03/17
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Disclosure Status
Disclosed
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Doc Name
Estimating international poverty lines from comparable national thresholds
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Keywords
national poverty line;household final consumption expenditure;Central Bureau of Statistics;millennium development goal;per capita poverty line;consumption do;international poverty line;national poverty rate;relative poverty line;national poverty headcount;per capita consumption;global poverty count;regional poverty line;per capita term;national poverty estimates;purchasing power parity;household survey data;
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Citation
Jolliffe,Dean Mitchell Prydz,Espen Beer
Estimating international poverty lines from comparable national thresholds (English). Policy Research working paper,no. WPS 7606,Paper is funded by the Knowledge for Change Program (KCP),LSMS Washington, D.C. : World Bank Group. http://documents.worldbank.org/curated/en/837051468184454513/Estimating-international-poverty-lines-from-comparable-national-thresholds