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Consumer Price Indices Used in Global Poverty Measurement


  • Christoph Lakner
  • Daniel Gerszon Mahler
  • Minh C. Nguyen
  • Joao Pedro Azevedo
  • Shaohua Chen
  • Dean M. Jolliffe
  • Espen Beer Prydz
  • Prem Sangraula


Temporal deflators are needed to compare welfare aggregates over time, and thus to measure real changes in poverty. This note describes the sources of the consumer price indices that are used for every country included in the World Bank’s estimates of global poverty, published in PovcalNet. These deflators are used to express welfare aggregates in domestic 2011 prices, for comparison with the 2011 PPP conversion factors.

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  • Christoph Lakner & Daniel Gerszon Mahler & Minh C. Nguyen & Joao Pedro Azevedo & Shaohua Chen & Dean M. Jolliffe & Espen Beer Prydz & Prem Sangraula, 2018. "Consumer Price Indices Used in Global Poverty Measurement," Global Poverty Monitoring Technical Note Series 4, The World Bank.
  • Handle: RePEc:wbk:wbgpmt:4

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