Early Nutrition and Cognition in Peru
AbstractThis paper examines the causal link between early childhood nutrition and cognition, applying instrumental variables to sibling-differences for a sample of pre-school aged Peruvian children. Child-specific shocks in the form of food price changes and household shocks during the critical developmental period of a child are used as instruments. The analysis shows significant and positive returns to early childhood nutritional investments. An increase in the Height-for-Age z-score of one standard deviation—keeping other factors constant—translates into increases in the Peabody Picture Vocabulary Test (PPVT) score of 17-21 percent of a standard deviation. The period of analysis includes the recent global food price crisis that also affected Peru between 2006 and 2008. This therefore is also a quantification of the nutritional and subsequent cognitive costs of food prices on the sample, which could be magnified in later years.
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Bibliographic InfoPaper provided by Inter-American Development Bank, Research Department in its series Research Department Publications with number 4743.
Date of creation: Aug 2011
Date of revision:
Find related papers by JEL classification:
- I12 - Health, Education, and Welfare - - Health - - - Health Production
- I20 - Health, Education, and Welfare - - Education - - - General
- J13 - Labor and Demographic Economics - - Demographic Economics - - - Fertility; Family Planning; Child Care; Children; Youth
This paper has been announced in the following NEP Reports:
- NEP-AGR-2011-12-19 (Agricultural Economics)
- NEP-ALL-2011-12-19 (All new papers)
- NEP-DEV-2011-12-19 (Development)
- NEP-NEU-2011-12-19 (Neuroeconomics)
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