Koundouri, Phoebe and Babalos, Vassilis and Stithou, Mavra and Anastasiou, Ioannis (2011): A Micro-Econometric Approach to Deriving Use and Non-Use Values of in-situ Groundwater: The Vosvozis Case Study, Greece. Forthcoming in: The Handbook on Economics of Biodiversity and Ecosystems Services
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The present study attempts to estimate the shadow price of unextracted groundwater in the Vozvozi aquifer. In the context of this study, we model the production function of vertically integrated agricultural firms in terms of an input-oriented distance function with multiple inputs. Duality theory is employed in order to extract information regarding the in situ shadow price of groundwater. This shadow price is of vital importance to the implementation of the EU Water Framework Directive and EU groundwater Directive, because it allows per farm estimation of the value of groundwater. It also allows the calculation of the level of cost recovery when resource’s environmental and resource costs are also considered. In this context, groundwater dependent ecosystems are of great relevance. In our case study, flow both from groundwater and from the Vosvozis river discharges into Ismarida Lake, an extremely important ecosystem protected by the Ramsar Convention on Wetlands. Furthermore, in the coastal part of the study area a system of coastal lagoons is formed, where surface, groundwater and seawater interact. All the area of Ismarida lake and the coastal lagoons forms an extremely important ecosystem. Groundwater level decline induces recharge from Vosvozis River and Ismarida lake, diminishing thus an important source for the life of the wetland ecosystem. Another threat due to groundwater level decline is the intrusion of seawater in the wetland area, causing thus a serious alteration in the initial character of this protected ecosystem. This study, apart from the estimation of the level of resource’s cost recovery, will offer the opportunity to compare individual farmer’s valuation of the marginal unit of groundwater in the aquifer with the socially optimal shadow price of in situ ground-water reported in the relevant literature. Conclusions will aim to provide policy recommendations for a water pricing that provides adequate incentive for users to use groundwater resource efficiently considering groundwater dependent ecosystems.
|Item Type:||MPRA Paper|
|Original Title:||A Micro-Econometric Approach to Deriving Use and Non-Use Values of in-situ Groundwater: The Vosvozis Case Study, Greece.|
|English Title:||A Micro-Econometric Approach to Deriving Use and Non-Use Values of in-situ Groundwater: The Vosvozis Case Study, Greece.|
|Keywords:||Micro-Econometric approach, use & non-use value,in-situ groundwater, Vozvozi river|
|Subjects:||Q - Agricultural and Natural Resource Economics; Environmental and Ecological Economics > Q5 - Environmental Economics
Q - Agricultural and Natural Resource Economics; Environmental and Ecological Economics > Q2 - Renewable Resources and Conservation > Q25 - Water
C - Mathematical and Quantitative Methods > C1 - Econometric and Statistical Methods and Methodology: General
|Depositing User:||Phoebe Koundouri|
|Date Deposited:||04. Oct 2012 10:43|
|Last Modified:||11. Feb 2013 22:57|
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