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首页> 外文期刊>Journal of health economics >Water accessibility and child health: Use of the leave-out strategy of instruments
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Water accessibility and child health: Use of the leave-out strategy of instruments

机译：水的可获得性和儿童健康：使用遗漏手段的手段

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This paper investigates the leave-out strategy of instruments by using the leave-out community ratio of household access to in-yard water sources and community water infrastructure as instruments for hours in fetching water time, and the data on disease symptoms. The results show that community-level access to clean water is significantly associated with both water-relevant and irrelevant disease symptoms, which suggests that the correlation between community-level access to clean water and child health is at least partially due to endogenous project placement potentially with respect to unobserved community wealth. The paper concludes that the OLS estimates have a potential endogeneity bias problem and that IV estimates under this strategy is subject to endogenous project placement and is not valid. A policy implication of this study is that careful attention should be paid to both self-selection and endogenous project placement in studying the effect of water accessibility on child health.
机译：本文通过利用家庭获得院内水源和社区供水基础设施的遗留社区比率作为获取水时间的工具，以及疾病症状的数据，研究了遗留工具的战略。结果表明，社区一级获得清洁水与水相关和无关疾病症状均显着相关，这表明社区一级获得清洁水与儿童健康之间的相关性至少部分是由于潜在的内生项目安置关于未观察到的社区财富。本文的结论是，OLS估计存在潜在的内生性偏差问题，并且在此策略下的IV估计受内生项目放置的影响，并且无效。这项研究的政策含义是，在研究供水对儿童健康的影响时，应同时注意自我选择和内生项目安置。

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