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...

Wages have been spreading out across workers over time - or in other words, the 90th/50th wage ratio has risen over time. A key question is, has the productivity distribution also spread out across worker skill levels over time? Using our calculations of productivity by skill level for the U.S.,...