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Poverty Orderings when Welfare Comparisons are Uncertain

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Author Info
Stefan Dercon

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Abstract

In applied welfare economics, equivalence scales for household composition and size corrections, and appropriate price deflators are minimum requirements to perform interhousehold comparisons of welfare, measured via household income or consumption information. In practice, the information available is insufficient and only approximate price or household composition corrections are available. Poverty comparisons between groups or over time are then problematic. In this paper, Atkinson`s standard results on first order stochastic (welfare) dominance are extended to allow for pairwise comparisons of poverty of groups with different needs or facing different prices, when there is uncertainty on the true cost-of-living deflators and equivalence scales. The approach is illustrated using household surveys from Ethiopia and Burkina Faso.

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Paper provided by University of Oxford, Department of Economics in its series Economics Series Working Papers with number 079.

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Date of creation: 2001
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Handle: RePEc:oxf:wpaper:079

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Keywords: poverty orderings; welfare dominance; equivalence scales; price deflators.;

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  1. Bigman, David, et al, 2000. "Community Targeting for Poverty Reduction in Burkina Faso," World Bank Economic Review, Oxford University Press, vol. 14(1), pages 167-93, January.
  2. Banks, James & Johnson, Paul, 1994. "Equivalence Scale Relativities Revisited," Economic Journal, Royal Economic Society, vol. 104(425), pages 883-90, July. [Downloadable!] (restricted)
  3. Clark, Stephen & Hemming, Richard & Ulph, David, 1981. "On Indices for the Measurement of Poverty," Economic Journal, Royal Economic Society, vol. 91(362), pages 515-26, June. [Downloadable!] (restricted)
  4. Fleurbaey, M. & Hagnere, C. & Trannoy, A., 1998. "Welfare Comparisons with Bounded Equivalence Scales," Papers 9823, Paris X - Nanterre, U.F.R. de Sc. Ec. Gest. Maths Infor..
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  5. Lanjouw, Peter & Ravallion, Martin, 1995. "Poverty and Household Size," Economic Journal, Royal Economic Society, vol. 105(433), pages 1415-34, November. [Downloadable!] (restricted)
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  6. Jenkins, Stephen P & Cowell, Frank A, 1994. "Parametric Equivalence Scales and Scale Relativities," Economic Journal, Royal Economic Society, vol. 104(425), pages 891-900, July. [Downloadable!] (restricted)
  7. Atkinson, A B, 1987. "On the Measurement of Poverty," Econometrica, Econometric Society, vol. 55(4), pages 749-64, July. [Downloadable!] (restricted)
  8. Ravallion, Martin & Bidani, Benu, 1994. "How Robust Is a Poverty Profile?," World Bank Economic Review, Oxford University Press, vol. 8(1), pages 75-102, January.
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  9. Foster, James & Greer, Joel & Thorbecke, Erik, 1984. "A Class of Decomposable Poverty Measures," Econometrica, Econometric Society, vol. 52(3), pages 761-66, May. [Downloadable!] (restricted)
  10. Stephen Jenkins & Peter Lambert, . ""Three 'I's of Poverty" Curves: TIPs for Poverty Analysis," Discussion Papers 97/1, Department of Economics, University of York.
  11. Stefan Dercon & Pramila Krishnan, 2000. "In Sickness and in Health: Risk Sharing within Households in Rural Ethiopia," Journal of Political Economy, University of Chicago Press, vol. 108(4), pages 688-727, August. [Downloadable!] (restricted)
  12. David Bigman & Stefan Dercon & Dominique Guillaume & Michel Lambotte, 1999. "Community Targeting for Poverty Reduction in Burkina Faso," Center for Economic Studies - Discussion papers ces9910, Katholieke Universiteit Leuven, Centrum voor Economische Studiën. [Downloadable!]
  13. Foster, James E & Shorrocks, Anthony F, 1988. "Poverty Orderings," Econometrica, Econometric Society, vol. 56(1), pages 173-77, January. [Downloadable!] (restricted)
  14. Coulter, Fiona A E & Cowell, Frank A & Jenkins, Stephen P, 1992. "Equivalence Scale Relativities and the Extent of Inequality and Poverty," Economic Journal, Royal Economic Society, vol. 102(414), pages 1067-82, September. [Downloadable!] (restricted)
  15. Jenkins, Stephen P & Lambert, Peter J, 1997. "Three 'I's of Poverty Curves, with an Analysis of UK Poverty Trends," Oxford Economic Papers, Oxford University Press, vol. 49(3), pages 317-27, July. [Downloadable!] (restricted)
  16. Slesnick, Daniel T, 1993. "Gaining Ground: Poverty in the Postwar United States," Journal of Political Economy, University of Chicago Press, vol. 101(1), pages 1-38, February. [Downloadable!] (restricted)
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