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La Problemática Del Descuento En La Evaluación Económica De Proyectos Con Impacto Intergeneracional: Tasa Ambiental Crítica Y Montante De Transferencia Intergeneracional/Discounting In The Context Of Intergenerational Projects’ Appraisal: Environmental Discount Rate And Intergenerational Transfer Amount

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  • ALMANSA SÁEZ, CARMEN

    ()
    (Departamento de Gestión de Empresas, Universidad Pública de Navarra.Campus de Arrosadía s/n, 31.006 Pamplona.Tel. +34-948-169425; Fax +34-948-169404.)

  • CALATRAVA REQUENA, JAVIER

    (Departamento de Economía y Sociología Agrarias, Instituto Andaluz de Investigación y Formación Agraria y Pesquera, Alimentaria y de Producción Ecológica (IFAPA). Junta de Andalucía. Camino Purchil s/n, 18.080. Granada.)

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    Abstract

    La primera parte de este trabajo presenta una revisión teórica de las principales posturas que subyacen a la controversia sobre el descuento en la evaluación mediante análisis coste-benefi cio de proyectos de amplio horizonte temporal. A continuación se expone una propuesta metodológica novedosa centrada en la utilización de una tasa de descuento diferente para benefi cios y costes que tienen un precio de mercado (fl ujo fi nanciero), que para las externalidades (flujo ambiental), aplicadas simultáneamente en el mismo ejercicio de evaluación. Dentro de este enfoque metodológico, se han diseñado dos indicadores de rentabilidad ambiental, Tasa Ambiental Crítica y Montante de Transferencia Intergeneracional, que tratan de cuantifi car en términos relativos y absolutos respectivamente, el nivel de equidad intergeneracional implícito en el análisis. La segunda parte muestra la aplicación práctica a un proyecto de Restauración Hidrológico Forestal la provincia de Almería. Los resultados obtenidos se muestran a favor de la utilidad de este enfoquen el contexto intergeneracional. The first part of this work presents a theoretical revision of the discounting approaches that can be found in the literature, in the context of projects with intergenerational impacts. Next, a methodological proposal is presented, based on the use of different discount rates for market costs and benefi ts (fi nancial fl ow) and for externalities (environmental flow), that are used simultaneously in the same appraisal exercise. In this context, two environmental indicators are developed, namely, the Environmental Discount Rate and the Intergenerational Transfer Amount. These indicators try to quantify the relative and absolute intergenerational equity level applied to the analysis. The second part of this paper presents a practical application to a Watershed Restoration Project in the province of Almería (Spain). The results obtained support the usefulness of this proposal.

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    Bibliographic Info

    Article provided by Estudios de Economía Aplicada in its journal Estudios de Economía Aplicada.

    Volume (Year): 25 (2007)
    Issue (Month): (Abril)
    Pages: 165-198

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    Handle: RePEc:lrk:eeaart:25_1_7

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    Keywords: Análisis coste-beneficio; equidad intergeneracional; sostenibilidad; descuento; evaluación de proyectos; restauración de cuencas/Cost- Benefi t Analysis; Intergenerational Equity; Sustainability; Discounting; Project Appraisal; Watershed Restoration.;

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