Using partial identification methods and data from the PSID, we analyze the causal transmission of food security across generations. Food security rates are positively correlated across generations; food security rates in 2015 are 20 points higher for respondents who grew up in households that were secure in 1999 than those growing up in food insecure households. Despite these strong associations, the intergenerational effect of growing up in a food secure household remains uncertain. . Assessing the degree of intergenerational transmission of food security is complicated by unobserved factors (e.g., human capital, health issues) that jointly influence whether a child resides in a food secure household and, subsequently, whether likely to be food secure as a young adult. Identifying causal transmission across generations requires addressing this important selection problem. In light of the ambiguities created by the selection problem, a number of alternative assumptions and estimates are presented. While under the weakest assumptions very little can be inferred, results derived under strong but plausible assumptions provide evidence that growing up in a food insecure household increases the probability of being food secure as a young adult.
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