Using Spanish Social Security records, we document the channels through which mothers fall onto a lower earnings track, such as shifting into part- time work, accumulating lower experience, or transitioning to lower-paying jobs, and are able to explain 71 percent of the unconditional individual fixed- effects motherhood wage gap. The earnings…

This paper analyzes a puzzling aspect of retirement behavior known as "unretirement." Nearly 50 percent of retirees follow a nontraditional retirement path that involves partial retirement or unretirement, and at least 26 percent of retirees later unretire. I explore two possible explanations: (1) unretirement transitions result from failures in…

This paper develops and estimates a model for the choice of part-time and full-time employment and the decision to pay for childcare among single mothers. The results indicate that a lower childcare price and a higher full-time wage rate both lead to an increase in overall employment and the use of paid childcare. The part-time wage effects are…