Water Purification Efforts and the Black-White Infant Mortality Gap, 1906-1938
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https://www.nber.org/papers/w26489
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资源简介：
According to Troesken (2004), efforts to purify municipal water supplies at the turn of the 20th century dramatically improved the relative health of blacks. There is, however, little empirical evidence to support the Troesken hypothesis. Using city-level data published by the U.S. Bureau of the
提供机构：
美国国家经济研究局
创建时间：
2019-11-01
