Mentoring has become an extremely popular policy for improving the retention and performance of new teachers, but we know little about its effects on teacher and student outcomes. I study the impact of mentoring in New York City, which adopted a nationally recognized mentoring program in 2004. I...

In a recent paper, Ichino and Moretti (2009) present evidence from a large Italian bank that much of the gap in absenteeism between women and men can be explained by absences with a 28-day cycle. These cyclical absences are interpreted as an effect of menstruation which can explain 14% of the...

The most sweeping federal education law in decades, the No Child Left Behind (NCLB) Act, requires states to administer standardized exams and to punish schools that do not make Adequate Yearly Progress (AYP) for the fraction of students passing these exams. While the literature on school...

The challenge of designing effective performance measurement and incentives is a general one in economic settings where behavior and outcomes are not easily observable. These issues are particularly prominent in education where, over the last two decades, test-based accountability systems for...

Significant work time in the U.S. is lost each year due to worker absence, but evidence on the productivity losses from absenteeism remains scant due to difficulties with identification. In this paper, we use uniquely detailed data on the timing, duration, and cause of absences among teachers to...