A Note on PhD Population Growth in Biomedical Sciences

The explosive increase in the number of postdocs in biomedical fields is puzzling for many science policymakers. We use our previously introduced parameter in this journal, the basic reproductive number in academia ( R 0 ), to make sense of PhD population growth in biomedical fields. Our analysis shows how R 0 in biomedical fields has increased over time, and we estimate that there is approximately only one tenure‐track position in the US for...