Are ideas getting harder to find? A short review of the evidence
The end of Moore’s Law? Innovation in computer systems continues at a high pace
Is technological progress in US agriculture slowing?
Eroom’s Law and the decline in the productivity of biopharmaceutical R&D
Is there a slowdown in research productivity? Evidence from China and Germany
Declining R&D efficiency: Evidence from Japan
Quantifying the “cognitive extent” of science and how it has changed over time and across countries
What can bibliometrics contribute to understanding research productivity?