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首页> 外文期刊>Journal of the Association of Environmental and Resource Economists >Water Storage Capacity versus Water Use Efficiency: Substitutes or Complements?
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Water Storage Capacity versus Water Use Efficiency: Substitutes or Complements?

机译：储水量与用水效率：替代品还是补品？

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摘要

Investments in water use efficiency and water storage capacity are two common approaches to tackling water scarcity and adapting to climate change. We show that they are not always substitutes. Efficiency improvement can increase the demand for storage capacity in two scenarios: (1) if it increases water demand; (2) if, as a result of re-optimization of water inventory control, it increases the probability that the storage capacity will be exhausted. We identify properties of water demand and productivity under which the two scenarios will happen, and illustrate the potential complementarity using an empirical example of the California State Water Project. The results are also applicable to choices among infrastructure investment, improved consumption efficiency, and conservation of other storable resources, for example, energy.
机译：用水效率和储水能力方面的投资是解决缺水和适应气候变化的两种常用方法。我们证明它们并不总是替代品。提高效率可以在两种情况下增加对存储容量的需求：（1）是否增加了用水需求； （2）如果由于水库存控制的重新优化而增加了存储容量用尽的可能性。我们确定了在两种情况下都会发生的需水量和生产率的特征，并使用加利福尼亚州供水项目的经验示例来说明潜在的互补性。该结果还适用于基础设施投资，提高的消费效率以及节约其他可存储资源（例如能源）的选择。

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