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

Author

Listed:
  • Anna Aizer
  • Janet Currie
  • Peter Simon
  • Patrick Vivier

Abstract

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.

Suggested Citation

  • Anna Aizer & Janet Currie & Peter Simon & Patrick Vivier, 2018. "Do Low Levels of Blood Lead Reduce Children's Future Test Scores?," American Economic Journal: Applied Economics, American Economic Association, vol. 10(1), pages 307-341, January.
    • Handle: RePEc:aea:aejapp:v:10:y:2018:i:1:p:307-41
    Note: DOI: 10.1257/app.20160404
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    JEL classification:

    • I12 - Health, Education, and Welfare - - Health - - - Health Behavior
    • I14 - Health, Education, and Welfare - - Health - - - Health and Inequality
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health
    • I21 - Health, Education, and Welfare - - Education - - - Analysis of Education
    • I24 - Health, Education, and Welfare - - Education - - - Education and Inequality
    • J13 - Labor and Demographic Economics - - Demographic Economics - - - Fertility; Family Planning; Child Care; Children; Youth

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