Using Belgian firm level data on R&D and productivity, this paper provides further evidence on the important role of knowledge in explaining performance at the firm level, by augmenting the classical productivity growth approach not only with own R&D expenditures, but also with R&D cooperation....

International R&D activities have grown significantly over the last two decades. Both the number of actors involved, as well as the importance of the technological activity carried out abroad, has considerably increased. We aim to quantify the international generation of knowledge for the case...

This paper presents a critical survey on macro and micro levels studies that evaluate the impact of foreign R&D on domestic productivity growth in industrialized countries. Although the available studies converge towards the conclusion that significant international spillovers take place, we...

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 database of 2 million EPO...