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首页> 美国卫生研究院文献>International Journal of Environmental Research and Public Health >A Pricing Model for Groundwater Rights in Ningxia China Based on the Fuzzy Mathematical Model
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A Pricing Model for Groundwater Rights in Ningxia China Based on the Fuzzy Mathematical Model

机译：基于模糊数学模型的宁夏地下水权定价模型

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摘要

To reduce groundwater overexploitation and alleviate water shortages, market mechanisms are introduced to allocate water rights. Scientific and reasonable pricing of groundwater rights is key to ensuring the effectiveness of the groundwater market. Because of the complexity and uncertainty of water resources, this study calculates the price of groundwater rights based on the value of water resources with an evaluation indicator system. The system includes 14 indicators developed with a fuzzy mathematics model addressing three dimensions: environment, society, and economy. The weights of the indicators are determined through the analytic network process (ANP) and the entropy method. The results show that the price of groundwater rights in Ningxia, China increased from 5.11 yuan/m3 to 5.73 yuan/m3 between 2013 and 2017; this means the price was basically stable, with a slight increase. The ratio of residents’ water fee expenditures to real disposable income also remained essentially stable, fluctuating around 0.37%, far below the normal level. These data demonstrated that the current regional water price policy does not reflect the true value of groundwater resources; there is room to increase urban water prices. Local governments need speed up water price system reforms and adopt water rights systems to optimize water resource allocations.
机译：为了减少地下水的过度开采和缓解水资源短缺，引入了市场机制来分配水权。科学合理地定价地下水权是确保地下水市场有效性的关键。由于水资源的复杂性和不确定性，本研究基于水资源价值和评估指标体系来计算地下水权价格。该系统包括使用模糊数学模型开发的14个指标，这些指标针对三个维度：环境，社会和经济。指标的权重通过分析网络过程（ANP）和熵方法确定。结果显示，2013年至2017年间，中国宁夏的地下水权价格从5.11元/ m 3 上涨到5.73元/ m 3 ;这意味着价格基本稳定，略有上涨。居民的水费支出与实际可支配收入的比率也基本保持稳定，在0.37％左右波动，远低于正常水平。这些数据表明，当前的区域水价政策并未反映出地下水资源的真实价值。还有上涨城市水价的空间。地方政府需要加快水价制度改革，采用水权制度，优化水资源配置。

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