Ichino and Moretti (2009) find that menstruation may contribute to gender gaps in absenteeism and earnings, based on evidence that absences of young female Italian bank employees follow a 28-day cycle. We find this evidence is not robust to the correction of coding errors or small changes in specification, and we find no evidence of increased…

School districts often struggle to recruit and retain effective math teachers. Alternative-route certification programs aim to expand the pool of teachers available; however, many alternate routes have not been able to attract large numbers of teacher candidates with undergraduate degrees in math. In response, some districts, including Baltimore,…

This study focuses on three new teachers, Arnie, Andrea, and Frank, who are New York City Teaching Fellows (NYCTF), a program of alternative teacher recruitment and certification that is in its third year at an urban public college in New York City. This study focuses on just three of the Fellows in order to have a more intense look into the…