Katherine Carman completed her Ph.D. in Economics at Stanford in 2003. Her primary research interests are in the fields of public economics and health economics. Her dissertation examined the role of social influences on charitable contributions using detailed data from a workplace giving campaign; and the adequacy of life insurance holdings. Her current research examines whether physical education requirements help to prevent childhood obesity. Other current research projects include measuring the financial impact of changes in marital status, and understanding the relationship between student performance, teacher quality, incentives, and teacher certification.