This article studies hierarchical organizations where concerns for fast execution are important and employees must be coordinated to avoid wasteful duplications of effort. Simple conditions are provided for the time spent on coordinating subordinates to be increasing and the span of control to...

Scientific knowledge is believed to be the wellspring of innovation. Historically, firms have also invested in research to fuel innovation and growth. In this paper, we document a shift away from scientific research by large corporations between 1980 and 2007. We find that publications by...