This paper estimates the effect that the size of an individual's labour-market entry cohort has on the subsequent duration of search for employment. Survival-analysis methods are applied to empirically assess this relationship using a sample of apprenticeship graduates who entered the German...

To improve public services, public sector managers must encourage reticent civil servants to enact effective reforms. We show through a randomized controlled trial that school principals, i.e., school mangers, can act as leaders to improve Instructional Management (0.3SD) and student learning...

We study the allocation and productivity consequences of training production line supervisors in soft skills via a randomized controlled trial. Consistent with standard practice for training investments within firms, we asked middle managers -- who sit above supervisors in the hierarchy -- to...