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工业化与污染:生命早期暴露对人力资本形成的长期影响

Industrialization and pollution: The long-term Impact of early-life exposure on human capital formation
Journal of Public Economics · 2024 · Pan Chen

中文摘要

发展中国家的空气质量通常远差于发达经济体,但关于这些国家空气污染对人力资本长期影响的证据仍然有限。本文采用队列双重差分方法,考察中国20世纪50年代工业化时期生命早期暴露于空气污染对人力资本形成的影响。该方法假设,在30英里半径范围内,与工业厂区相关的经济机会对上风向县和下风向县的影响相似。结果表明,暴露程度从第25百分位升至第75百分位会使儿童受教育年限减少约0.11年。该效应量明显大于中美两国另外三个影响教育程度的因素所产生的影响。

Abstract

Air quality in developing countries is often much worse than in developed economies, yet evidence on the long-term human capital effects of air pollution in these settings is limited. This paper uses a cohort difference-in-differences approach to examine the impact of early-life exposure to air pollution during China’s 1950s industrialization on human capital formation. It assumes that economic opportunities linked to industrial plants impact upwind and downwind counties similarly within a 30-mile radius. The results indicate that moving from the 25 th to 75 th percentile of exposure reduces children’s education by approximately 0.11 years. This effect size is notably larger than the impacts of three other factors affecting educational attainment in both China and the United States.
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