Current innovation policies (including patents) are based on the traditional vision of knowledge, which assumes that knowledge circulates as fluently as pure information. The existence of knowledge spillovers leads to under investments in research activities and thus, calls for strong knowledge...

Cette contribution s'intéresse à la capacité d'émission des connaissances des firmes. En effet, les externalités de connaissance, considérées comme exogènes par la théorie classique, sont en fait maîtrisables par les firmes. Or ces dernières loin de vouloir toujours garder le secret...

Studies that aim at comparing the patent system social efficiency versus an ex-post reward system rest on a traditional view of patents. They make the hypothesis that firms use the patent system only in order to be granted a short-term monopoly rent and therefore that patents lead to strong and...