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Benefits trickling away: The health impact of extending access to piped water and sanitation in urban Yemen

  • Stephan Klasen

    (Georg-August-University Göttingen)

  • Tobias Lechtenfeld

    (Georg-August-University Göttingen)

  • Kristina Meier

    (Georg-August-University Göttingen)

  • Johannes Rieckmann

    (Georg-August-University Göttingen)

This article investigates the impact of piped water supply and sanitation on health outcomes in urban Yemen using a combination of quasi-experimental methods and results from microbiological water tests. Variations in project roll-out allow separate identification of water and sanitation impacts. Results indicate that access to piped water supply worsens health outcomes when water rationing is frequent, which appears to be linked to a build-up of pollution in the network. When water supply is continuous no clear health benefits are found compared to traditional urban water supply through water vendors. Connections to piped sewers can lead to health improvements, conditional on regular water supply. The findings suggest that investments in piped water supply should not be made when availability and reliability of water cannot be guaranteed.

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File URL: http://www2.vwl.wiso.uni-goettingen.de/courant-papers/CRC-PEG_DP_110.pdf
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Paper provided by Courant Research Centre PEG in its series Courant Research Centre: Poverty, Equity and Growth - Discussion Papers with number 110.

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Date of creation: 01 Mar 2012
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Handle: RePEc:got:gotcrc:110
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  8. Jalan, Jyotsna & Ravallion, Martin, 2003. "Does piped water reduce diarrhea for children in rural India?," Journal of Econometrics, Elsevier, vol. 112(1), pages 153-173, January.
  9. Hugh Waddington & Birte Snilstveit, 2009. "Effectiveness and sustainability of water, sanitation, and hygiene interventions in combating diarrhoea," Journal of Development Effectiveness, Taylor & Francis Journals, vol. 1(3), pages 295-335.
  10. Sebastian Galiani & Paul Gertler & Ernesto Schargrodsky, 2002. "Water for Life: The Impact of the Privatization of Water Services on Child Mortality," Working Papers 54, Universidad de San Andres, Departamento de Economia, revised Sep 2005.
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