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首页> 外文期刊>Environmental Modelling & Software >A hybrid partial and general equilibrium modeling approach to assess the hydro-economic impacts of large dams - The case of the Grand Ethiopian Renaissance Dam in the Eastern Nile River basin
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A hybrid partial and general equilibrium modeling approach to assess the hydro-economic impacts of large dams - The case of the Grand Ethiopian Renaissance Dam in the Eastern Nile River basin

机译：混合的部分平衡和一般平衡建模方法，用于评估大型水坝的水力经济影响-以尼罗河东部流域的埃塞俄比亚大复兴大坝为例

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摘要

A novel integrated hydro-economic modeling framework that links a bottom-up partial equilibrium (engineering) model with a top-down (economic) general equilibrium model is developed for assessing the regional economic impacts of water resources management and infrastructure development decisions in a transboundary river basin. The engineering model is employed first to solve the water allocation problem for a river system in a partial equilibrium setting. The resulting system-wide changes in optimal water allocation are subsequently fed into the general equilibrium model to provide an economy-wide perspective. This integrated hydro-economic modeling framework is illustrated using the Eastern Nile River basin as a case study. The engineering-based stochastic dual dynamic programming (SDDP) model of the Eastern Nile basin is coupled with the computable general equilibrium (CGE) model GTAP-W to assess the economy-wide impacts of the Grand Ethiopian Renaissance Dam (GERD) on the Eastern Nile economies.
机译：开发了一种新颖的综合水力经济建模框架，该框架将自下而上的局部均衡（工程）模型与自上而下的（经济）总体均衡模型联系在一起，用于评估跨界水资源管理和基础设施发展决策的区域经济影响流域。首先采用工程模型来解决部分平衡环境下河流系统的配水问题。随后，系统范围内最佳配水量的变化将被输入到一般均衡模型中，以提供整个经济范围的观点。以尼罗河东部流域为例，说明了这种综合的水经济模型框架。尼罗河东部流域的基于工程的随机双重动态规划（SDDP）模型与可计算的一般均衡（CGE）模型GTAP-W结合在一起，用于评估埃塞俄比亚复兴大坝（GERD）对东部的整个经济影响尼罗河经济。

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