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Clarifying Poverty Decomposition

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  • Muller, Adrian

    ()
    (Department of Economics, School of Business, Economics and Law, Göteborg University)

Abstract

I discuss how poverty decomposition methods relate to integral approximation, which is the foundation of decomposition of the temporal change of a quantity into key drivers. This offers a common framework for the different decomposition methods used in the literature, clarifies their often somewhat unclear theoretical underpinning and identifies the methods' shortcomings. In light of integral approximation, many methods actually lack a sound theoretical basis and they usually have an ad-hoc character in assigning the residual terms to the different key effects. I illustrate these claims for the Shapley-value decomposition and methods related to the Datt-Ravallion approach and point out difficulties in axiomatic approaches to poverty decomposition. Recent developments in energy and pollutant decomposition offer some promising methods, but ultimately, further development of poverty decomposition should account for the basis in integral approximation.

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File URL: http://hdl.handle.net/2077/2698
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Bibliographic Info

Paper provided by University of Gothenburg, Department of Economics in its series Working Papers in Economics with number 217.

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Length: 18 pages
Date of creation: 31 Aug 2006
Date of revision: 17 Nov 2008
Handle: RePEc:hhs:gunwpe:0217

Contact details of provider:
Postal: Department of Economics, School of Business, Economics and Law, University of Gothenburg, Box 640, SE 405 30 GÖTEBORG, Sweden
Phone: 031-773 10 00
Web page: http://www.handels.gu.se/econ/
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Keywords: poverty analysis; poverty measures; decomposition; Shapley-value; inequality;

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References

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  1. Kai-yuen Tsui, 1996. "Growth-equity decomposition of a change in poverty: An axiomatic approach," Economics Letters, Elsevier, vol. 50(3), pages 417-423, March.
  2. Paul, Satya, 2004. "Income sources effects on inequality," Journal of Development Economics, Elsevier, vol. 73(1), pages 435-451, February.
  3. Thorbecke, Erik & Jung, Hong-Sang, 1996. "A multiplier decomposition method to analyze poverty alleviation," Journal of Development Economics, Elsevier, vol. 48(2), pages 279-300, March.
  4. Sun, J. W., 1998. "Changes in energy consumption and energy intensity: A complete decomposition model," Energy Economics, Elsevier, vol. 20(1), pages 85-100, February.
  5. Ang, B. W., 2004. "Decomposition analysis for policymaking in energy:: which is the preferred method?," Energy Policy, Elsevier, vol. 32(9), pages 1131-1139, June.
  6. Muller, Adrian, 2006. "Putting decomposition of energy use and pollution on a firm footing - clarifications on the residual, zero and negative values and strategies to assess the performance of decomposition methods," Working Papers in Economics 215, University of Gothenburg, Department of Economics, revised 10 Aug 2007.
  7. Dercon, Stefan, 2006. "Economic reform, growth and the poor: Evidence from rural Ethiopia," Journal of Development Economics, Elsevier, vol. 81(1), pages 1-24, October.
  8. Shorrocks, A F, 1982. "Inequality Decomposition by Factor Components," Econometrica, Econometric Society, vol. 50(1), pages 193-211, January.
  9. Bruvoll, Annegrete & Larsen, Bodil Merethe, 2004. "Greenhouse gas emissions in Norway: do carbon taxes work?," Energy Policy, Elsevier, vol. 32(4), pages 493-505, March.
  10. Guanghua Wan & Zhangyue Zhou, 2005. "Income Inequality in Rural China: Regression-based Decomposition Using Household Data," Review of Development Economics, Wiley Blackwell, vol. 9(1), pages 107-120, 02.
  11. Carlo V. Fiorio, 2006. "Understanding inequality trends: microsimulation decomposition for Italy," LSE Research Online Documents on Economics 6544, London School of Economics and Political Science, LSE Library.
  12. Kolenikov, Stanislav & Shorrocks, Anthony, 2003. "A Decomposition Analysis of Regional Poverty in Russia," Working Paper Series UNU-WIDER Research Paper , World Institute for Development Economic Research (UNU-WIDER).
  13. Foster, James & Greer, Joel & Thorbecke, Erik, 1984. "A Class of Decomposable Poverty Measures," Econometrica, Econometric Society, vol. 52(3), pages 761-66, May.
  14. Kraay, Aart, 2006. "When is growth pro-poor? Evidence from a panel of countries," Journal of Development Economics, Elsevier, vol. 80(1), pages 198-227, June.
  15. Ang, B.W., 1995. "Decomposition methodology in industrial energy demand analysis," Energy, Elsevier, vol. 20(11), pages 1081-1095.
  16. Ang, B. W. & Liu, F. L. & Chew, E. P., 2003. "Perfect decomposition techniques in energy and environmental analysis," Energy Policy, Elsevier, vol. 31(14), pages 1561-1566, November.
  17. Juhn, Chinhui & Murphy, Kevin M & Pierce, Brooks, 1993. "Wage Inequality and the Rise in Returns to Skill," Journal of Political Economy, University of Chicago Press, vol. 101(3), pages 410-42, June.
  18. Trivedi, P K, 1981. "Some Discrete Approximations to Divisia Integral Indices," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 22(1), pages 71-77, February.
  19. Vani K. Borooah, 2005. "Caste, Inequality, and Poverty in India," Review of Development Economics, Wiley Blackwell, vol. 9(3), pages 399-414, 08.
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Citations

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Cited by:
  1. Negre, Mario, 2010. "Concepts and Operationalization of Pro-Poor Growth," Working Paper Series wp2010-47, World Institute for Development Economic Research (UNU-WIDER).
  2. Gianni Toniolo & Giovanni Vecchi, 2007. "Italian Children at Work, 1881-1961," Giornale degli Economisti, GDE (Giornale degli Economisti e Annali di Economia), Bocconi University, vol. 66(3), pages 401-427, November.
  3. Gutierrez, Catalina & Orecchia, Carlo & Paci, Pierella & Serneels, Pieter, 2007. "Does employment generation really matter for poverty reduction ?," Policy Research Working Paper Series 4432, The World Bank.
  4. Löfgren, Åsa & Muller, Adrian, 2008. "Swedish CO2-Emissions 1993 - 2006 – An Application of Decomposition Analysis and Some Methodological Insights," Working Papers in Economics 311, University of Gothenburg, Department of Economics, revised 01 Jan 2010.
  5. Åsa Löfgren & Adrian Muller, 2010. "Swedish CO 2 Emissions 1993–2006: An Application of Decomposition Analysis and Some Methodological Insights," Environmental & Resource Economics, European Association of Environmental and Resource Economists, vol. 47(2), pages 221-239, October.
  6. Masato Okamoto, 2011. "Source decomposition of changes in income inequality: the integral-based approach and its approximation by the chained Shapley-value approach," Journal of Economic Inequality, Springer, vol. 9(2), pages 145-181, June.
  7. Muller, Adrian & Åsa, Löfgren & Thomas, Sterner, 2011. "Decoupling: Is there a Separate Contribution from Environmental Taxation," Working Papers in Economics 486, University of Gothenburg, Department of Economics.
  8. Florent Bresson, 2008. "The estimation of the growth and redistribution components of changes in poverty: a reassessment," Economics Bulletin, AccessEcon, vol. 9(14), pages 1-7.

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