"The extensive literature on knowledge management spans several fields, but there are remarkably few studies that address the basic question as to whether knowledge management practices improve organizational performance. I examine that question using a national probability sample of...

This paper shows that top management structures in large US firms radically changed since the mid-1980s. While the number of managers reporting directly to the CEO doubled, the growth was driven primarily by functional managers rather than general managers. Using panel data on senior management...