Economía Agraria y Recursos Naturales - Agricultural and Resource Economics - Vol 03, No 1 (2003)

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The certification as a strategy for the recovery of the consumer confidence in the veal adquisition
Water interchanges matriz. Analysis by means of the theory of graphs
Milk cuota value estimation in the Galician dairy farms
Prices transmition on the lamb regional markets in Spain
The quality costs in the citrus companies and it identification in the frame of the cost system based on the activities
The regional demand of alcoholic beverages. Impact of an increase in the special taxe
Environmental and social ideal price establishment for the irrigation water by means of the internalisation of the environmental costs and the use of social accounting matrix. Application to Navarre

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Water interchanges matriz. Analysis by means of the theory of graphs
(2003) Velázquez Alonso, Esther
[EN] The aim of this work is to demonstrate the relationships established between an economy’s productive sectors and the water consumption generated during their productive processes. We study de Andalusian reality, region of the South Spain characterized by its scarcity, and we will examine if the excessive dependence on water resources which may occur in some productive sectors might affect not only the conservation and quality of this resource, but also have negative effects upon the stability of the economy itself. A mixed methodology has been used, combining Input-Output analysis with Graphs Theory. We obtain a water Input-Output model and an interrelationship matrix which is analysed by Graphs Theory. The main conclusion is that Andalusian’s economic specialisation does not make a positive contribution water conservation and, moreover, the regional economy’s sustainability might be seriously endangered if the authorities do not take into account water limitations in their economy policy.