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Water Scarcity and Virtual Water Trade in the Mediterranean

  • Roberto Roson

    ()

    (Department of Economics, University Of Venice Cà Foscari)

  • Martina Sartori

    ()

    (University of Milan)

Virtual water trade refers to the implicit content of water in the production of goods and services. When trade is undertaken, there is an implicit exchange of water. Furthermore, when water gets scarce, water intensive goods become more expensive to produce and the economy compensates through higher water imports.This paper is about applying the concept of virtual water to the problem of future water scarcity in the Mediterranean area, also induced by the climate change. The aim is assessing to what extent water trade is a viable adaptation option to the problem of water scarcity. To this end, a computable general equilibrium model is extended with satellite data on sectoral water consumption, and used to assess future scenarios of water availability.It is found that virtual trade may curb the negative effect of water scarcity, yet the consequences in terms of income and welfare remain quite significant, especially for some regions.

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File URL: http://www.unive.it/media/allegato/DIP/Economia/Working_papers/Working_papers_2010/WP_DSE_roson_sartori_08_10.pdf
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Paper provided by Department of Economics, University of Venice "Ca' Foscari" in its series Working Papers with number 2010_08.

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Length: 13
Date of creation: 2010
Date of revision:
Handle: RePEc:ven:wpaper:2010_08
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  1. Brockmeier, Martina, 2001. "A Graphical Exposition of the GTAP Model," GTAP Technical Papers 311, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University.
  2. Velazquez, Esther, 2006. "An input-output model of water consumption: Analysing intersectoral water relationships in Andalusia," Ecological Economics, Elsevier, vol. 56(2), pages 226-240, February.
  3. Atkinson, Giles & Hamilton, Kirk & Ruta, Giovanni & Van Der Mensbrugghe, Dominique, 2010. "Trade in'virtual carbon': empirical results and implications for policy," Policy Research Working Paper Series 5194, The World Bank.
  4. 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.
  5. Erik Dietzenbacher & Esther Velazquez, 2007. "Analysing Andalusian Virtual Water Trade in an Input-Output Framework," Regional Studies, Taylor & Francis Journals, vol. 41(2), pages 185-196.
  6. Noelwah R. Netusil & Thomas R. Harris & Chang K. Seung & Jeffrey E. Englin, 2000. "Impacts of water reallocation: A combined computable general equilibrium and recreation demand model approach," The Annals of Regional Science, Springer, vol. 34(4), pages 473-487.
  7. Dixon, Peter B., 1990. "A general equilibrium approach to public utility pricing: determining prices for a water authority," Journal of Policy Modeling, Elsevier, vol. 12(4), pages 745-767.
  8. Velazquez, Esther, 2007. "Water trade in Andalusia. Virtual water: An alternative way to manage water use," Ecological Economics, Elsevier, vol. 63(1), pages 201-208, June.
  9. Maria Berrittella & Katrin Rehdanz & Roberto Roson & Richard S.J. Tol, 2008. "The Economic Impact Water Taxes: a Computable General Equilibrium Analysis with an International Data Set," Working Papers 2008_05, Department of Economics, University of Venice "Ca' Foscari".
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