This paper documents gender differences in social ties and develops a theory that links them to disparities in men's and women's labor market performance. Men's networks lead to better access to information, women's to higher peer pressure. Both affect effort in a model of teams, each beneficial...

Obesity is increasing worldwide for both adults and children. Genetic disposition is responsible for some variation in body weight but cannot explain the dramatic increase in the last two decades. The increase must be due to structural and behavioral changes. One such behavioral change is the...

This paper discusses several approaches to examining the relationship between child care and mothers' labor supply. The focus is on child care for children aged 0-3, because this is a critical period for working mothers and their children and because most European and American households with...