
handle: 10662/1354
This work aims to elaborate a Social Accounting Matrix and Environmental Accounts for Extremadura in 2005 (SAMEAEXT-05), in order to exploit this matrix information. In this sense, social accounting matrices are tools of relevance informative which allow, not only to describe fundamental relations between economy and environment of a specific territory, but also to serve as a basis for the development of different economy models. Thus, the SAMEA will be used as a central core to construct and use analysis tools like SAM multipliers models and applied general equilibrium (AGE) models. Thus, on the one hand, a linear multiplier model is applied on the SAMEAEXT-05 to improve the understanding of the direct and indirect interactions between atmospheric pollutants, raw water consumption and the economy of Extremadura. And, on the other hand, an AGE model following the Negishi format is implemented to estimate environmental and economy-wide gains of water market under 3 different scenarios. First, we simulate a decrease in the availability of raw water in Extremadura due to climate change. Second, an investment in a more efficient irrigation technology is considered. And finally, we extend our AGE model by including the amenity services of the water resource and investigate how the willingness to pay of consumers would affect the efficient water allocation.
El objetivo esencial que se persigue en este proyecto es la construcción de una Matriz de Contabilidad Social Medioambiental para la región de Extremadura en 2005 (SAMEAEXT-05), a fin de explotar la información contenida en dicha matriz. En este sentido, las matrices de contabilidad social medioambientales representan en sí mismas herramientas de gran relevancia informativa que permiten, no sólo describir las relaciones fundamentales entre la economía y el medio ambiente de un territorio determinado, sino también servir de base para la construcción de diferentes modelos económicos. En base a esta última propiedad, la SAMEAEXT-05 sirve de soporte estadístico para el desarrollo, en primer lugar, de un modelo multisectorial de multiplicadores lineales, similares en su estructura y formulación a los obtenidos a partir de la matriz inversa de Leontief (1941). Y, en segundo lugar, esta SAM medioambiental de Extremadura construida para el año 2005 se emplea para implementar un modelo de equilibrio general computable (MEGA) ecoambiental capaz de simular la implantación de un mercado del agua bajo distintos escenarios: impactos del cambio climático, mejora en la eficiencia de la tecnología de riego e inclusión de los servicios de disfrute desde el entorno hídrico extremeño.
Universidad de Extremadura, desde julio del 2009 hasta junio del 2011, a través del Plan de Iniciación a la Investigación, Desarrollo Tecnológico e Innovación.
Tesis doctoral con la Mención de "Doctor Internacional"
5303.05 Contabilidad Social, Applied general equilibrium models, Extremadura, Modelos medioambientales de corte lineal, 5303.04 Input-Output, Social accounting matrices and environmental accounts, Matrices de contabilidad social medioambientales, Modelos de equilibrio general aplicado, SAMEA linear model
5303.05 Contabilidad Social, Applied general equilibrium models, Extremadura, Modelos medioambientales de corte lineal, 5303.04 Input-Output, Social accounting matrices and environmental accounts, Matrices de contabilidad social medioambientales, Modelos de equilibrio general aplicado, SAMEA linear model
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