We investigate the causes and consequences of the aging of the scientific workforce. Using novel data on the population of US chemistry faculty members over fifty years, we find that the secular increase in the age of the academic workforce has been mainly driven by the slowdown in faculty...

While the economic impact of technological innovation is arguably by the most important motivation behind research into conditions supporting it, most empirical firm-level studies use either knowledge out or adoption decisions rather than economic value-based measures to evaluate innovation...