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Institutional Affiliation: Columbia Global Centers Nairobi
NBER Working Papers and Publications
|June 2018||Do Walmart Supercenters Improve Food Security?|
with Charles J. Courtemanche, Art Carden, Xilin Zhou: w24750
This paper examines the effect of Walmart Supercenters, which lower food prices and expand food availability, on household and child food insecurity. Our food insecurity-related outcomes come from the 2001-2012 waves of the December Current Population Study Food Security Supplement. Using narrow geographic identifiers available in the restricted version of these data, we compute the distance between each household’s census tract of residence and the nearest Walmart Supercenter. We estimate instrumental variables models that leverage the predictable geographic expansion patterns of Walmart Supercenters outward from Walmart’s corporate headquarters. Results suggest that closer proximity to a Walmart Supercenter improves the food security of households and children, as measured by number of a...
Published: Charles Courtemanche & Art Carden & Xilin Zhou & Murugi Ndirangu & Craig Gundersen, 2019. "Do Walmart Supercenters Improve Food Security?," Applied Economic Perspectives and Policy, vol 41(2), pages 177-198.