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Virtual water and water trade in Andalusia. A study by means of an input-output model

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  • Erik Dietzenbacher

    ()
    (Faculty of Economics, University of Groningen)

  • Esther Velázquez

    ()
    (Department of Economics, Universidad Pablo de Olavide)

Abstract

Andalusian agricultural sectors are relatively small, but consume by 90% of the available water resources. More than 50% of the final demands for agricultural products are exported to other Spanish regions or abroad. Using a virtual water concept with an input-output framework, we find that a substantial part of the Andalusian water consumption is necessary for exports. Considering the water content of its trade, Andalusia is found to be a net exporter of water, whereas it is an extremely arid region. Examining regional policy aspects, a reduction in the exports abroad of agricultural products yields considerable benefits in terms of water savings and only moderate costs.

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File URL: http://www.upo.es/serv/bib/wps/econ0606.pdf
File Function: First version, 2006
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Bibliographic Info

Paper provided by Universidad Pablo de Olavide, Department of Economics in its series Working Papers with number 06.06.

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Length: 26 pages
Date of creation: Mar 2006
Date of revision:
Handle: RePEc:pab:wpaper:06.06

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Keywords: Input-Output Models; Virtual Water; Trade and Sustainability;

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  1. Machado, Giovani & Schaeffer, Roberto & Worrell, Ernst, 2001. "Energy and carbon embodied in the international trade of Brazil: an input-output approach," Ecological Economics, Elsevier, Elsevier, vol. 39(3), pages 409-424, December.
  2. Munksgaard, Jesper & Pedersen, Klaus Alsted, 2001. "CO2 accounts for open economies: producer or consumer responsibility?," Energy Policy, Elsevier, Elsevier, vol. 29(4), pages 327-334, March.
  3. Kainuma, M. & Matsuoka, Y. & Morita, T., 2000. "Estimation of embodied CO2 emissions by general equilibrium model," European Journal of Operational Research, Elsevier, Elsevier, vol. 122(2), pages 392-404, April.
  4. Velazquez, Esther, 2006. "An input-output model of water consumption: Analysing intersectoral water relationships in Andalusia," Ecological Economics, Elsevier, Elsevier, vol. 56(2), pages 226-240, February.
  5. Muradian, Roldan & O'Connor, Martin & Martinez-Alier, Joan, 2002. "Embodied pollution in trade: estimating the 'environmental load displacement' of industrialised countries," Ecological Economics, Elsevier, Elsevier, vol. 41(1), pages 51-67, April.
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