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Poverty, Pro-Poor Growth and Mobility: A Decomposition Framework with Application to China


  • Zhang, Yin
  • Wan, Guanghua


This paper proposes a framework for incorporating longitudinal distributional changes into poverty decomposition. It is shown that changes in the Sen-Shorrocks-Thon index over time can be decomposed into two components?one component reflects the progressivity of income growth among the original poor, the other measures the extent of downward mobility experienced by the incumbent poor. The decomposition is applied to appraising poverty trends in China between 1988 and 1996. The results indicate that the proposed decomposition can complement the widely-used growth-distribution decomposition in providing insights into poverty dynamics.

Suggested Citation

  • Zhang, Yin & Wan, Guanghua, 2006. "Poverty, Pro-Poor Growth and Mobility: A Decomposition Framework with Application to China," WIDER Working Paper Series 154, World Institute for Development Economic Research (UNU-WIDER).
  • Handle: RePEc:unu:wpaper:rp2006-154

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