Do Low Levels of Blood Lead Reduce Children's Future Test Scores?

被引:94
作者
Aizer, Anna [1 ]
Currie, Janet [2 ]
Simon, Peter [3 ]
Vivier, Patrick [4 ]
机构
[1] Brown Univ, Dept Econ, 64 Waterman St, Providence, RI 02912 USA
[2] Princeton Univ, Dept Econ, 316 Wallace Hall, Princeton, NJ 08544 USA
[3] Brown Univ, Dept Epidemiol, Box G S121-2,121 South Main St, Providence, RI 02912 USA
[4] Brown Univ, Dept Community Hlth, Box G S121, Providence, RI 02903 USA
关键词
ACADEMIC-ACHIEVEMENT; US CHILDREN; EXPOSURE; INTELLIGENCE; PREVENTION; NEUROTOXICITY; EPIDEMIOLOGY; HEALTH; TRENDS; POLICY;
D O I
10.1257/app.20160404
中图分类号
F [经济];
学科分类号
02 ;
摘要
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.
引用
收藏
页码:307 / 341
页数:35
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