This paper presents estimates of the long-term impact of various sources of knowledge (R&D performed by the business sector, the public sector and foreign firms) on multifactor productivity growth of 16 countries from 1980 to 1998. The main results show that the three sources of knowledge are...

The sharp increase in academic patenting over the past 20 years raises important issues regarding the generation and diffusion of academic knowledge. Three key questions may be raised in this respect: What is behind the surge in academic patenting? Does patenting affect the quality and quantity...

The joint increase in the number and size of patents filed around the world puts patent systems under pressure.This paper addresses issues in measuring the voluminosity of patent applications and highlights patterns in its evolution. The results – based on a 2 million EPO applications database...

The joint increase in the number and size of patents filed around the world puts the patent system under pressure. This paper analyses the sources of this surge in number of claims and pages of patent applications at the EPO. Four hypotheses are scrutinized: the diffusion of national drafting...