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Simulación multicriterio de mercados de agua de regadío: el caso de la cuenca del Duero

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  • Martinez, Yolanda Martinez
  • Rodriguez, Jose A. Gomez-Limon

Abstract

Este trabajo desarrolla una metodología multicriterio para la simulación del mercado de agua de riego en el ámbito de una cuenca. Para ello se parte del supuesto que los regantes tratan de optimizar con sus decisiones productivas (plan de cultivos) una función de utilidad multiatributo, sometidos a una serie de restricciones que dependen de las condiciones estructurales de sus explotaciones. Así, se han definido una serie de grupos homogéneos de agricultores en relación con el uso del agua como los agentes «tipo» a considerar de forma conjunta en el modelo mercado. Dicho modelo calcula el equilibrio del mercado a través de la solución que maximiza el bienestar agregado, cuantificado como la suma de las utilidades multiatributo alcanzadas por cada uno de los agentes participantes. Esta metodología se pone en práctica para la cuenca del Duero (España), obteniéndose como principal resultado que la introducción de esta institución aumenta significativamente la eficiencia económica y la generación en empleo agrario, especialmente en circunstancias de escasez (sequías)...This paper develops a multi-criteria methodology to simulate irrigation water markets at basin level. For this purpose it is assumed that irrigators try to optimise personal multi-attribute utility functions with their productive decision making (crop mix), subjected to a set of constraints based upon the structural features of their farms. In this sense, farmers with homogeneous behaviour about water use have been grouped, being this groups established as agents «type» to be considered in the whole model for water market simulation. This model for market simulation calculates the equilibrium through a solution that maximises the aggregate welfare, quantified as the sum of the multi-attribute utilities reached by each one of the participating agents. This methodology has been empirically applied for the Duero basin (Northern Spain), obtaining as main result that the implementation of this institution increases economic efficiency and agricultural labour demand, particularly during shortage periods (droughts).

Suggested Citation

  • Martinez, Yolanda Martinez & Rodriguez, Jose A. Gomez-Limon, 2004. "Simulación multicriterio de mercados de agua de regadío: el caso de la cuenca del Duero," Revista Espanola de Estudios Agrosociales y Pesqueros, Ministerio de Medio Ambiente, Rural y Marino (formerly Ministry of Agriculture), issue 202, pages 1-34.
  • Handle: RePEc:ags:spreea:165990
    DOI: 10.22004/ag.econ.165990
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    Environmental Economics and Policy;

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