Water scarcity and the impact of improved irrigation management: A CGE analysis

Alvaro Calzadilla, Katrin Rehdanz and Richard Tol

No 331788, Conference papers from Purdue University, Center for Global Trade Analysis, Global Trade Analysis Project

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.

Keywords: Resource/Energy Economics and Policy; Agricultural and Food Policy (search for similar items in EconPapers)
Pages: 36
Date: 2008
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Citations: View citations in EconPapers (1)

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Related works:
Working Paper: WATER SCARCITY AND THE IMPACT OF IMPROVED IRRIGATION MANAGEMENT: A CGE ANALYSIS (2008)
Working Paper: Water scarcity and the impact of improved irrigation management: a CGE analysis (2008)
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Persistent link: https://EconPapers.repec.org/RePEc:ags:pugtwp:331788

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