VALUING EXTERNALITIES OF WATERSHEAD RESTORATION AND EROSION CONTROL PROJECTS IN MEDITERRANEAN BASINS: A COMPARATIVE ANALYSIS OF THE CONTINGENT VALUATION AND REPLACEMENT COST METHODS /доклад на 10 конгрессе ЕААЕ, Exploring Diversity in the European Agri-Food System, Zaragoza, Spain, 28-31 August 2002
Опубликовано на портале: 30-11-2003
2002
Тематический раздел:
The methodology used for Economic Valuation of the Externalities generated by the
Watershead Restoration and Erosion Control Projects in the Hydrographic Basins of
the Mediterranean Slope, is based on the Replacement Cost Method. Environmental Economics,
however, today offer us other methodological possibilities, whose application to
the valuation of this type of project may prove to be of interest. It is the case
of the Contingent Valuation Method used for the evaluation of the effects of the
Watershead Restoration and Erosion Control Projects of the Aljibe Basin (Almería)
Spain, presented here. The results obtained show that, in this case study, application
of Contingent Valuation ascribes greater social profitability of the project, with
5.23 % of IRR (Internal Rate of Return), compared to the value obtained using classic
methodology of 2.25%, thus enabling us to draw closer to the true socio-environmental
value of this type of project. In any case, both possibilities rather than alternatives
can be considered as complementary, by focusing on the valuation from different perspectives.
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Ключевые слова
contingent valuation cost-benefit analysis desertification reforestation replacement cost restoration of basins
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