We critically review the emerging literature in Organizational and Personnel Economics concerning the role of managers and management practices. Our focus is on the middle managers who populate the hierarchies between top executives and front-line employees. We are especially concerned with...

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...