Nearly all workers have a supervisor or 'boss'. Yet there is almost no published research by economists into how bosses affect the quality of employees' lives. This study offers some of the first formal evidence. First, it is shown that a boss's technical competence is the single strongest...

Much of human knowledge is produced in the world's university departments. There is little scientific evidence, however, about how those hundreds of thousands of departments are best organized and led. This study hand-collects longitudinal data on departmental chairpersons in 58 US universities...

This paper is an attempt to understand the effects of leaders on organizational performance. We argue for an ‘expert leader’ model of leadership. We differentiate between four kinds of leaders according to their level of inherent knowledge and industry experience. After controlling for...