Predictions from Polachek's theory explaining occupational sex segregation are tested and found to be false. The data do not show that women are penalized less for intermittent employment if they choose predominantly female occupations. There is no evidence that such a choice is economically rational. (Author/SK)

Human capital theory indicates that receipt of on-the-job training is positively related to expectations of future labor force participation. Young women may underestimate their future labor force attachment and therefore underinvest in on-the-job training. (JOW)