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首页> 外文期刊>Agricultural Water Management >Water pricing and the value-add of irrigation water in Vietnam: Insights from a crop choice model fitted to a national household survey
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Water pricing and the value-add of irrigation water in Vietnam: Insights from a crop choice model fitted to a national household survey

机译：越南灌溉用水的水价与灌溉用水的价值 - 从国家家庭调查中的作物选择模型见解

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Vietnam is one of several countries that suffer from climate change and is encountering increased frequency and severity of droughts. Its climate risks have led to concerns about water security, prompting policymakers to assess the value-add of water in irrigation. Here, we measure the value-add of irrigation water for non-compulsory food crops in Vietnam by formalising a crop choice model and fit it to data from a national household survey. Our results indicate that irrigator profits would fall, on average, by 0.56 US$ (2016 value) if water diverted for irrigation were reduced by one cubic meter per irrigator. We also find that some 16% of surveyed irrigators could reduce the water they divert for irrigation without reducing their profits. As a response to water scarcity, effective water pricing could reduce irrigation water extractions by around 84% while the average profit per farmer would be reduced by some 17%. Our findings highlight the importance of water pricing as a possible policy option and show that setting an appropriate volumetric price for irrigation water extractions offers the possibility of welfare-improving water reallocations.
机译：越南是患有气候变化的几个国家之一，并且遇到了干旱的频率和严重程度。其气候风险导致了对水安全的担忧，促使政策制定者评估灌溉中的水的价值。在这里，我们通过正式化作物选择模型来衡量越南非强制性粮食作物的灌溉水的价值 - 增加，并将其符合来自国家家庭调查的数据。我们的结果表明，如果每次灌溉者的一立方米降低，灌溉者利润将平均下降0.56美元（2016年价值）。我们还发现，约有16％的受访灌溉者可以减少他们转移灌溉的水，而不会降低利润。作为对水资源短缺的反应，有效的水价可以将灌溉水提取减少约84％，而每位农民的平均利润将减少约17％。我们的调查结果突出了水定价作为可能的政策选择的重要性，并表明为灌溉水提取设定适当的体积价格提供了福利改善水重新分配的可能性。

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