The authors estimate a wage model that includes an array of variables measuring the fraction of time worked during each year of the career. This array fully characterizes past employment experience, regardless of how sporadic it has been. Their model yields substantially higher estimated returns...

Using National Longitudinal Survey data, the authors estimate proportional hazard models in order to learn whether it is more difficult for employers to identify female nonquitters than male nonquitters. They find that women may be a higher risk than men in the overall sample because they are...