期刊
AMERICAN ECONOMIC JOURNAL-APPLIED ECONOMICS
卷 10, 期 1, 页码 307-341出版社
AMER ECONOMIC ASSOC
DOI: 10.1257/app.20160404
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资金
- John D. and Catherine T. MacArthur Foundation
- EUNICE KENNEDY SHRIVER NATIONAL INSTITUTE OF CHILD HEALTH & HUMAN DEVELOPMENT [P2CHD047879, P2CHD041020] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON AGING [P30AG024928] Funding Source: NIH RePORTER
We construct a unique individual-level dataset linking preschool blood lead levels with third grade test scores for Rhode Island children born 1997-2005. Using two identification strategies, we show for the first time that reductions of lead from even historically low levels have significant positive effects. A one-unit decrease in average blood lead levels reduces the probability of being substantially below proficient in reading (math) by 0.96 (0.79) percentage points on a baseline of 12 (16) percent. Since disadvantaged children have greater exposure to lead, lead poisoning may be one of the causes of continuing disparities in test scores.
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