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D I S C U S S I O N P A P E R S E R I E SIZA Discussion Papers often represent preliminary work and are circulated to encourage discussion. Citation of such a paper should account for its provisional character. A revised version may be available directly from the author.IZA Discussion Paper No. 7457 June 2013
ABSTRACT Partial Identification of the Long-Run Causal Effect of Food Security on Child HealthFood security and obesity represent two of the most significant public health issues. However, little is known about how these issues are intertwined. Here, we assess the causal relationship between food security during early childhood and relatively long-run measures of child health. Identifying this causal relationship is complicated due to endogenous selection and misclassification errors. To overcome these difficulties, we utilize a nonparametric bounds approach along with data from the ECLS-K and ECLS-B. The analysis reveals a positive association between food insecurity and future child obesity in the absence of misclassification. However, under relatively innocuous assumptions concerning the selection process, we often obtain bounds that indicate a negative causal effect of food insecurity on future child obesity. All results are extremely sensitive to misclassification.JEL Classification: C14, C21, I12, I32