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The Economic Value of Improved Wastewater Irrigation: A Contingent Valuation Study in Addis Ababa, Ethiopia


  • Weldesilassie, Alebel B.
  • Fror, Oliver
  • Boelee, Eline
  • Dabbert, Stephan


In developing countries the use of wastewater for irrigation can cause considerable harm to public health and the environment. This paper uses contingent valuation to estimate the economic value of safe use of wastewater for crop production on farms within and around Addis Ababa, Ethiopia. We estimate a surprisingly large welfare gain from policies for safe use of wastewater for irrigation. Our study highlights the potential and the possible pitfalls of using nonmarket valuation techniques as an input into public decision making where traditional resource use interacts with public health and environmental concerns in complex ways.

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  • Weldesilassie, Alebel B. & Fror, Oliver & Boelee, Eline & Dabbert, Stephan, 2009. "The Economic Value of Improved Wastewater Irrigation: A Contingent Valuation Study in Addis Ababa, Ethiopia," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 34(3), pages 1-22, December.
  • Handle: RePEc:ags:jlaare:57629
    DOI: 10.22004/ag.econ.57629

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    Cited by:

    1. Dagnew Hagos & Alemu Mekonnen & Zenebe G/egziabhe, 2014. "Households Willingness to Pay for Improved Urban Solid Waste Management: the Case of Mekelle City, Ethiopia," Ethiopian Journal of Economics, Ethiopian Economics Association, vol. 22(1), November.
    2. Gebretsadik, Kidanemariam Abreha & Romstad, Eirik, 2020. "Climate and farmers’ willingness to pay for improved irrigation water supply," World Development Perspectives, Elsevier, vol. 20(C).
    3. Ben Brahim-Neji, Hella & Ruiz-Villaverde, Alberto & González-Gómez, Francisco, 2014. "Decision aid supports for evaluating agricultural water reuse practices in Tunisia: The Cebala perimeter," Agricultural Water Management, Elsevier, vol. 143(C), pages 113-121.
    4. George Parsons & Kelley Myers, 2017. "Fat tails and truncated bids in contingent valuation: an application to an endangered shorebird species," Chapters, in: Daniel McFadden & Kenneth Train (ed.), Contingent Valuation of Environmental Goods, chapter 2, pages 17-42, Edward Elgar Publishing.
    5. Biswas, Durba, 2015. "Anchoring Effect in Context of a Familiar Good: A Case Study of Irrigation Water Supply in Rural India," Bangladesh Development Studies, Bangladesh Institute of Development Studies (BIDS), vol. 38(4), pages 91-98, December.
    6. Roberto Ponce & Felipe Vásquez & Alejandra Stehr & Patrick Debels & Carlos Orihuela, 2011. "Estimating the Economic Value of Landscape Losses Due to Flooding by Hydropower Plants in the Chilean Patagonia," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 25(10), pages 2449-2466, August.
    7. Madjid Bouzit & Sukanya Das & Lise Cary, 2018. "Valuing Treated Wastewater and Reuse: Preliminary Implications From a Meta-Analysis," Water Economics and Policy (WEP), World Scientific Publishing Co. Pte. Ltd., vol. 4(02), pages 1-26, April.
    8. Hagos, Dagnew & Mekonnen, Alemu & Gebreegziabher, Zenebe, 2012. "Households’ Willingness to Pay for Improved Urban Waste Management in Mekelle City, Ethiopia," Discussion Papers dp-12-06-efd, Resources For the Future.
    9. Desta Woldetsadik & Pay Drechsel & Bernard Keraita & Fisseha Itanna & Heluf Gebrekidan, 2018. "Farmers’ perceptions on irrigation water contamination, health risks and risk management measures in prominent wastewater-irrigated vegetable farming sites of Addis Ababa, Ethiopia," Environment Systems and Decisions, Springer, vol. 38(1), pages 52-64, March.
    10. Chopra, Vasudha & Das, Sukanya, 2019. "Estimating Willingness to Pay for Wastewater Treatment in New Delhi: Contingent Valuation Approach," Ecology, Economy and Society - the INSEE Journal, Indian Society of Ecological Economics (INSEE), vol. 2(02), July.
    11. Akrofi, N.A. & Sarpong, D.B. & Somuah, H.A.S. & Osei-Owusu, Y., 2019. "Paying for privately installed irrigation services in Northern Ghana: The case of the smallholder Bhungroo Irrigation Technology," Agricultural Water Management, Elsevier, vol. 216(C), pages 284-293.

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