农民对政策性减水的反应:来自科罗拉多河的证据

IF 5.5 3区 经济学 Q1 BUSINESS Journal of Environmental Economics and Management Pub Date : 2024-05-01 DOI:10.1016/j.jeem.2024.102986
Lena Harris
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引用次数: 0

摘要

地表水供应日益紧张,促使政策制定者寻找促进减少用水量的解决方案,但有关农民如何应对地表水供应政策变化的证据却很有限。本文采用差分法框架,比较了农民对科罗拉多河供水量减少 35% 的一系列政策的反应。我发现,与反事实相比,农民平均减少了土地种植面积,但种植了更多的高耗水作物,导致估计总用水量的最小降幅。此外,有强有力的证据表明,农民利用地下水抵消了大量的地表水损失。这些发现对于理解决策者在实施地表水源保护政策时所面临的相对权衡具有重要意义。
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Farmer response to policy induced water reductions: Evidence from the Colorado River

Surface water supplies are becoming increasingly strained, pushing policy makers to find solutions to facilitate reductions in water use though there is limited evidence on how farmers respond to policy induced variation in surface water supplies. This paper uses a difference-in-differences framework to compare the response of farmers to a bundle of policies reducing deliveries from the Colorado River by 35%. I find that on average, farmers reduce the amount of land planted but plant more water intensive crops leading to a minimal reduction in total estimated water use compared to the counterfactual. Additionally, there is strong suggestive evidence that farmers are using groundwater to offset a significant amount of the surface water loss. These findings have important consequences for understanding the relative trade-offs policy makers face when implementing policies that protect surface water sources.

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来源期刊
CiteScore
8.00
自引率
4.30%
发文量
91
期刊介绍: The Journal of Environmental Economics and Management publishes theoretical and empirical papers devoted to specific natural resources and environmental issues. For consideration, papers should (1) contain a substantial element embodying the linkage between economic systems and environmental and natural resources systems or (2) be of substantial importance in understanding the management and/or social control of the economy in its relations with the natural environment. Although the general orientation of the journal is toward economics, interdisciplinary papers by researchers in other fields of interest to resource and environmental economists will be welcomed.
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