Early Life Exposure to Malaria and Cognition in Adulthood: Evidence from Mexico
Massachusetts General Hospital, Harvard Medical School
July 2, 2012
Journal of Health Economics 31 (5): 767-780
This study examines the impact of early life malaria exposure on cognition in sample of Mexican adults, using the nationwide introduction of malaria eradication efforts, along with the fact that more burdened states experienced larger absolute declines in disease prevalence as a result, to identify causal impacts. The core findings are that birth year exposure to malaria eradication was associated with increases in Raven Progressive Matrices test scores and consumption expenditures, but not schooling. Additionally, cohorts born after eradication both entered and exited school earlier than their pre-eradication counterparts. These effects were only seen for men and explanations for this are assessed. Collectively, these findings suggest that improvements in infant health help explain secular increases in cognitive test scores, that better cognition may link early life health to adulthood earnings, and that human capital investments through childhood and young adulthood respond sensitively to market returns to early life endowment shocks.
Number of Pages in PDF File: 45
Keywords: Malaria, Cognition, Early Childhood, Mexico, Eradication, Flynn Effect, Parental Investments
JEL Classification: I10, I12, J13, O11, O15
Date posted: September 19, 2010 ; Last revised: September 12, 2013
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