Obesity is significantly more prevalent among non-Hispanic African-American (henceforth “black”) women than among non-Hispanic white American (henceforth “white”) women. These differences have persisted without much alteration since the early 1970s, despite substantial increases in the...

In order to explain the substantial recent increases in obesity rates in the United States, we consider the effect of falling food prices in the context of a model involving endogenous body weight norms and an explicit, empirically grounded description of human metabolism. Unlike previous...

We test for differences across the two most recent NHANES survey periods (1988–1994 and 1999–2004) in self-perception of weight status. We find that the probability of self-classifying as overweight is significantly lower on average in the more recent survey, for both men and women,...