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...

Prior research shows grocery stores reduce prices to compete with Walmart Supercenters. This study finds evidence that the competitive effects of two other big box retailers - Costco and Walmart-owned Sam's Club - are quite different. Using city-level panel grocery price data matched with a...

Prior research shows grocery stores reduce prices to compete with Walmart Supercenters. This study finds evidence that the competitive effects of two other big box retailers - Costco and Walmart-owned Sam's Club - are quite different. Using city-level panel grocery price data matched with a...

Since Brazil's adoption of universal health care in 1988, the country's health care system has consisted of a mix of private providers and free public providers. We test whether income-based disparities in medical visits and medications remain in Brazil despite universal coverage using a...

This paper explores the relationship between time preferences, economic incentives, and body mass index (BMI). Using data from the 1979 cohort of the National Longitudinal Survey of Youth, we first show that greater impatience increases BMI even after controlling for demographic, human capital,...

Previous studies estimate the average effect of cigarette price on body mass index (BMI), with recent research showing that their different methodologies all point to a negative effect after several years. This literature, however, ignores the possibility that the effect could vary throughout...

The first major insurance expansion of the Affordable Care Act – a provision requiring insurers to allow dependents to remain on parents’ health insurance until turning 26 – took effect in September 2010. We estimate this mandate’s impacts on numerous outcomes related to health care...