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April 12, 2026Journal of Hydraulic Engineering0 citations

Analysis of health effects of the “Internet + Rural-urban water supply” model of the Ningxia Xihaigu Region

NWNongdi WULLLin LUOZWZhongjing WANG

Key Points

  • The study aims to evaluate the health effects of rural-urban water supply policies in the Ningxia Xihaigu region.
  • Utilized a difference-in-differences model for quantifying health effects
  • Selected experimental and control groups based on panel data from 2013-2019
  • Analyzed the impact of water supply interventions on average county death rates
  • Findings reveal a significant 0.75‰ reduction in death rates in beneficiary counties
  • Health policy effects can sustain positive impacts for 4 to 5 years
  • Water supply policies are nearly as impactful as local public finance spending, significantly driving health improvements

Abstract

农村饮水安全政策效应评估是乡村振兴、水安全保障和公共卫生领域的重要议题。为精准识别供水工程及相关政策实施的健康效应，以宁夏西海固地区为例，聚焦宁夏中南部城乡饮水安全工程实施及“互联网+城乡供水”彭阳模式应用的受益情况，采用多期双重差分模型定量评估，合理选取研究实验组、对照组和分析时段，基于宁夏2013—2019年县级面板数据，选取地区平均死亡率为被解释变量，构建包含人口、经济、环境、教育、医疗等多维度控制变量的模型框架，并通过动态效应检验、安慰剂检验等方法验证了基准回归方案结果的稳健性。实证研究表明：城乡供水工程及相关政策干预使受益县（区）居民死亡率较西海固其他县（区）平均显著下降0.75‰，政策效应可持续4 ~ 5年产生积极影响。西海固地区城乡供水政策干预对死亡率降低的贡献，仅略小于人均地方公共财政支出和汉族人口占比变量的影响，大于每千人口执业医师数、小学毕业率等其他变量的影响，是对居民健康有显著影响的关键驱动因素。评估结果为类似供水政策效应分析提供了实证依据，为农村供水高质量发展科学决策提供了有力支撑。

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Cite This Study

WU et al. (2026) studied this question.

synapsesocial.com/papers/69db38274fe01fead37c64a6https://doi.org/10.3724/j.slxb.20250388
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