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Water Scarcity And The Impact Of Improved Irrigation Management: A Cge Analysis

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Author Info
Alvaro Calzadilla
Katrin Rehdanz
Richard S.J. Tol () (Economic and Social Research Institute)

Additional information is available for the following registered author(s):

Abstract

We use the new version of the GTAP-W model to analyze the economy-wide impacts of enhanced irrigation efficiency. The new production structure of the model, which introduces a differentiation between rainfed and irrigated crops, allows a better understanding of the use of water resources in agricultural sectors. The results indicate that a water policy directed to improvements in irrigation efficiency in water-stressed regions is not beneficial for all. For water-stressed regions the effects on welfare and demand for water are mostly positive. For non-water scarce regions the results are more mixed and mostly negative. Global water savings are achieved. Not only regions where irrigation efficiency changes are able to save water, but also other regions are pushed to conserve water.

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File URL: http://www.fnu.zmaw.de/fileadmin/fnu-files/publication/working-papers/CGEirrigationWP.pdf
File Format: application/pdf
File Function: First version, 2008
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Publisher Info
Paper provided by Research unit Sustainability and Global Change, Hamburg University in its series Working Papers with number FNU-160.

Download reference. The following formats are available: HTML (with abstract), plain text (with abstract), BibTeX, RIS (EndNote, RefMan, ProCite), ReDIF
Length: 34 pages
Date of creation: Apr 2008
Date of revision: Apr 2008
Handle: RePEc:sgc:wpaper:160

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Phone: +49 40 42838 6593
Fax: +49 40 42838 7009
Web page: http://www.fnu.zmaw.de/
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Related research
Keywords: Computable General Equilibrium; Irrigation; Water Policy; Water Scarcity; Irrigation efficiency;

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Find related papers by JEL classification:
D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models
Q17 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agriculture in International Trade
Q25 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Renewable Resources and Conservation - - - Water

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References listed on IDEAS
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  1. Yang, Hong & Zhang, Xiaohe & Zehnder, Alexander J. B., 2003. "Water scarcity, pricing mechanism and institutional reform in northern China irrigated agriculture," Agricultural Water Management, Elsevier, vol. 61(2), pages 143-161, June. [Downloadable!] (restricted)
  2. van Heerden, Jan H. & Blignaut, James & Horridge, Mark, 2008. "Integrated water and economic modelling of the impacts of water market instruments on the South African economy," Ecological Economics, Elsevier, vol. 66(1), pages 105-116, May. [Downloadable!] (restricted)
  3. Maria Berrittella & Katrin Rehdanz & Richard S.J. Tol & Jian Zhang, 2007. "The Impact Of Trade Liberalisation On Water Use: A Computable General Equilibrium Analysis," Working Papers FNU-142, Research unit Sustainability and Global Change, Hamburg University, revised Aug 2007. [Downloadable!]
  4. Pereira, Luis S., 1999. "Higher performance through combined improvements in irrigation methods and scheduling: a discussion," Agricultural Water Management, Elsevier, vol. 40(2-3), pages 153-169, May. [Downloadable!] (restricted)
  5. Dinar, Ariel & Yaron, Dan, 1992. "Adoption and abandonment of irrigation technologies," Agricultural Economics, Blackwell, vol. 6(4), pages 315-332, April. [Downloadable!] (restricted)
  6. Burniaux, Jean-Marc & Truong Truong, 2002. "GTAP-E: An Energy-Environmental Version of the GTAP Model," GTAP Technical Papers 923, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University. [Downloadable!]
  7. Maria Berrittella & Katrin Rehdanz & Roberto Roson & Richard S.J. Tol, 2006. "The Economic Impact Of Water Pricing: A Computable General Equilibrium Analysis," Working Papers FNU-96, Research unit Sustainability and Global Change, Hamburg University, revised Jan 2006. [Downloadable!]
  8. Diao, Xinshen & Roe, Terry, 2003. "Can a water market avert the "double-whammy" of trade reform and lead to a "win-win" outcome?," Journal of Environmental Economics and Management, Elsevier, vol. 45(3), pages 708-723, May. [Downloadable!] (restricted)
  9. Anthony Letsoalo & James Blignaut & Theuns de Wet & Martin de Wit & Sebastiaan Hess & Richard S.J. Tol & Jan van Heerden, 2005. "Triple Dividends Of Water Consumption Charges In South Africa," Working Papers FNU-62, Research unit Sustainability and Global Change, Hamburg University, revised Apr 2005. [Downloadable!]
  10. Hiro Lee & Joaquim Oliveira Martins & Dominique van der Mensbrugghe, 1994. "The OECD Green Model: An Updated Overview," OECD Development Centre Working Papers 97, OECD, Development Centre. [Downloadable!]
  11. Rosegrant, Mark W. & Cai, Ximing & Cline, Sarah A., 2002. "Water and food to 2025," Issue briefs 13, International Food Policy Research Institute (IFPRI). [Downloadable!]
    Other versions:
  12. Maria Berrittella & Katrin Rehdanz & Richard S.J. Tol, 2006. "The Economic Impact of the South-North Water Transfer Project in China: A Computable General Equilibrium Analysis," Working Papers 2006.154, Fondazione Eni Enrico Mattei. [Downloadable!]
    Other versions:
  13. Pereira, Luis Santos & Oweis, Theib & Zairi, Abdelaziz, 2002. "Irrigation management under water scarcity," Agricultural Water Management, Elsevier, vol. 57(3), pages 175-206, December. [Downloadable!] (restricted)
  14. Mailhol, J. C. & Zairi, A. & Slatni, A. & Ben Nouma, B. & El Amani, H., 2004. "Analysis of irrigation systems and irrigation strategies for durum wheat in Tunisia," Agricultural Water Management, Elsevier, vol. 70(1), pages 19-37, October. [Downloadable!] (restricted)
  15. Deng, Xi-Ping & Shan, Lun & Zhang, Heping & Turner, Neil C., 2006. "Improving agricultural water use efficiency in arid and semiarid areas of China," Agricultural Water Management, Elsevier, vol. 80(1-3), pages 23-40, February. [Downloadable!] (restricted)
  16. Lilienfeld, Amy & Asmild, Mette, 2007. "Estimation of excess water use in irrigated agriculture: A Data Envelopment Analysis approach," Agricultural Water Management, Elsevier, vol. 94(1-3), pages 73-82, December. [Downloadable!] (restricted)
  17. Decaluwé, B. & Patry, A. & Savard, L., 1999. "When Water is no Longer Heaven Sent: Comparative Pricing Analysis in an AGE Model," Cahiers de recherche 9908, Université Laval - Département d'économique. [Downloadable!]
    Other versions:
  18. Tsur, Yacov & Dinar, Ariel & Doukkali, Rachid M. & Roe, Terry, 2004. "Irrigation water pricing: policy implications based on international comparison," Environment and Development Economics, Cambridge University Press, vol. 9(06), pages 735-755, December. [Downloadable!]
  19. Maria Berrittella & Katrin Rehdanz & Arjen Y. Hoekstra & Roberto Roson & Richard S.J. Tol, 2006. "The Economic Impact Of Restricted Water Supply: A Computable General Equilibrium Analysis," Working Papers FNU-93, Research unit Sustainability and Global Change, Hamburg University, revised Jul 2006. [Downloadable!]
  20. Kenneth M. Strzepek & Gary W. Yohe & Richard S.J. Tol & Mark Rosegrant, 2006. "The Value Of The High Aswan Dam To The Egyptian Economy," Working Papers FNU-111, Research unit Sustainability and Global Change, Hamburg University, revised Jun 2006. [Downloadable!]
    Other versions:
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