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Dollar a Day Revisited

  • Martin Ravallion
  • Shaohua Chen
  • Prem Sangraula

The article presents the first major update of the international $1 a day poverty line, proposed in World Development Report 1990: Poverty for measuring absolute poverty by the standards of the world's poorest countries. In a new and more representative data set of national poverty lines, a marked economic gradient emerges only when consumption per person is above about $2.00 a day at 2005 purchasing power parity. Below this, the average poverty line is $1.25, which is proposed as the new international poverty line. The article tests the robustness of this line to alternative estimation methods and explains how it differs from the old $1 a day line. Copyright The Author 2009. Published by Oxford University Press on behalf of the International Bank for Reconstruction and Development / the world bank . All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org, Oxford University Press.

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Article provided by World Bank Group in its journal The World Bank Economic Review.

Volume (Year): 23 (2009)
Issue (Month): 2 (June)
Pages: 163-184

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Handle: RePEc:oup:wbecrv:v:23:y:2009:i:2:p:163-184
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  1. Arie Kapteyn & Peter Kooreman & Rob Willemse, 1988. "Some Methodological Issues in the Implementation of Subjective Poverty Definitions," Journal of Human Resources, University of Wisconsin Press, vol. 23(2), pages 222-242.
  2. Oswald, A.J., 1997. "Happiness and Economic Performance," Papers 18, Centre for Economic Performance & Institute of Economics.
  3. Chen, Shaohua & Ravallion, Martin, 2004. "How Have the World's Poorest Fared Since the Early 1980s?," Policy Research Working Paper Series 3341, The World Bank.
  4. Easterlin, Richard A., 1995. "Will raising the incomes of all increase the happiness of all?," Journal of Economic Behavior & Organization, Elsevier, vol. 27(1), pages 35-47, June.
  5. Martin Ravallion & Shaohua Chen & Prem Sangraula, 2007. "New Evidence on the Urbanization of Global Poverty," Population and Development Review, The Population Council, Inc., vol. 33(4), pages 667-701.
  6. Chen, Shaohua & Ravallion, Martin, 2001. "How Did the World's Poorest Fare in the 1990s?," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 47(3), pages 283-300, September.
  7. Ravallion, Martin & Chen, Shaohua, 1997. "What Can New Survey Data Tell Us about Recent Changes in Distribution and Poverty?," World Bank Economic Review, World Bank Group, vol. 11(2), pages 357-82, May.
  8. Ravallion, Martin & Datt, Gaurav & van de Walle, Dominique, 1991. "Quantifying Absolute Poverty in the Developing World," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 37(4), pages 345-61, December.
  9. Lant Pritchett, 2006. "Who is Not Poor? Dreaming of a World Truly Free of Poverty," World Bank Research Observer, World Bank Group, vol. 21(1), pages 1-23.
  10. Hagenaars, Aldi J M & van Praag, Bernard M S, 1985. "A Synthesis of Poverty Line Definitions," Review of Income and Wealth, International Association for Research in Income and Wealth, vol. 31(2), pages 139-54, June.
  11. Chen, Shaohua & Ravallion, Martin, 2007. "Absolute poverty measures for the developing world, 1981-2004," Policy Research Working Paper Series 4211, The World Bank.
  12. Menno Pradhan & Martin Ravallion, 2000. "Measuring Poverty Using Qualitative Perceptions Of Consumption Adequacy," The Review of Economics and Statistics, MIT Press, vol. 82(3), pages 462-471, August.
  13. Ravallion, Martin & Lokshin, Michael, 2005. "Who cares about relative deprivation ?," Policy Research Working Paper Series 3782, The World Bank.
  14. Shaohua Chen & Datt, Gaurav & Ravallion, Martin, 1993. "Is poverty increasing in the developing world?," Policy Research Working Paper Series 1146, The World Bank.
  15. Kilpatrick, Robert W, 1973. "The Income Elasticity of the Poverty Line," The Review of Economics and Statistics, MIT Press, vol. 55(3), pages 327-32, August.
  16. Summers, Robert & Heston, Alan, 1991. "The Penn World Table (Mark 5): An Expanded Set of International Comparisons, 1950-1988," The Quarterly Journal of Economics, MIT Press, vol. 106(2), pages 327-68, May.
  17. Robert Ackland & Steve Dowrick & Benoit Freyens, 2013. "Measuring Global Poverty: Why PPP Methods Matter," The Review of Economics and Statistics, MIT Press, vol. 95(3), pages 813-824, July.
  18. Chen, Shaohua & Ravallion, Martin, 2008. "China is poorer than we thought, but no less successful in the fight against poverty," Policy Research Working Paper Series 4621, The World Bank.
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