This paper has benefited from helpful comments from John Cawley, Lars Lefgren and seminar participants at the
USDA Economic Research Service conference, University of Notre Dame, Case Western University, the
International Association of Agricultural Economics Meeting, and the Obesity and the Family Conference at BYU.
We received excellent research assistance from Linda Bentley, Jason Cook, Jeff Swigert, and Derrick Wong. The
authors are grateful to the USDA Economic Research Service for research funding