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Título: Dynamic management of water transfer between two interconnected river basins
Autor: Cabo, Francisco
Erdlenbruch, Katrin
Tidball, Mabel
Año del Documento: 2014
Editorial: Elsevier
Descripción: Producción Científica
Documento Fuente: Resource and Energy Economics, 37, pp. 17-38.
Resumen: This paper analyzes the dynamic interaction between two regions with interconnected river basins. Precipitation is higher in one river-basin while water productivity is higher in the other. Water transfer increases productivity in the recipient basin, but may cause environmental damage in the donor basin. The recipient faces a trade-off between paying the price of the water transfer, or investing in alternative water supplies to achieve a higher usable water capacity. We analyze the design of this transfer using a dynamic modeling approach, which relies on non-cooperative game theory, and compare solutions with different information structure (Nash open-loop, Nash feedback, Stackelberg) with the social optimum. We first assume that the equilibrium between supply and demand determines the optimal transfer price and amount. We show that, contrary to the static case, in a realistic dynamic setting in which the recipient uses a feedback information structure the social optimum will not emerge as the equilibrium solution. We then study different leadership situations in the water market and observe that the transfer amount decreases towards a long-run value lower than the transfer under perfect competition, which in turn lays below the social optimum. In consequence, the water in the donor’s river-basin river converges to a better quality in the presence of market power. Finally, we numerically compare our results to the Tagus-Segura water transfer described in Ballestero (2004). Welfare gains are compared for the different scenarios. We show that in all dynamic settings, the long-run transfer amount is lower than in Ballestero’s static model. Further, we show that the long-run price settles at a lower level than in Ballestero’s model, but is still higher than the average cost-based price determined by the Spanish government.
Materias (normalizadas): Environmental Economics
Differential games
Palabras Clave: Inter-basin water transfer
bilateral monopoly
environmental constraints
differential games
open-loop information
feedback strategies
ISSN: 0928-7655
Revisión por Pares: SI
DOI: 0928-7655/
Version del Editor:
Idioma: spa
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:DEP20 - Artículos de revista

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