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Title: Análisis de alternativas para la eliminación de la sobreexplotación de acuíferos en el Valle de Guadalentín
Other Titles: Analysis of alternatives to eliminate aquifer overdraft in the Guadalentín Valley, SE Spain
Authors: Calatrava-Leyva, Javier
Guillem, Amanda
Martinez-Granados, David
Keywords: Groundwater
water economics
water demand
mathematical programming
JEL Codes: Q25
Issue Date: 2011-12
Abstract: In this paper we analyse the economic impact of alternative water management instruments that allow addressing the problem of non-renewable groundwater pumping in the aquifers of the Guadalentín Valley (southeast Spain). Their impact is assessed using a partial equilibrium mathematical programming model that maximises the farm net margin resulting from the use of the available water resources for irrigation in the area. Our results show that the buyback of groundwater pumping rights is the option with the greatest public budgetary cost and economic impact. On the contrary, the combination of an environmental tax on groundwater pumping and the substitution of groundwater by subsidised desalinised water allow eliminating aquifer overdraft in the area while minimising the public budgetary cost and the economic impact on the agricultural sector.
Institution/Association: Economia Agraria y Recursos Naturales>Volume 11, Number 2, 2011
Total Pages: 30
From Page: 33
To Page: 62
Collections:Volume 11, Number 2, 2011

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