uncertainty and innovation-driven competition among firms. In this work we survey the state-of-the-art in the analysis of such … evolutionary processes. We start by asking whether there are some invariances in the knowledge structure and in the ways … technological knowledge accumulates and, together, what distinguishes different fields and different periods of technological …

and in particular of Intellectual Property Right (IPR) as incentives for technological innovation. We start with a … critical discussion of the standard justification of the attribution of IPR in terms of "market failures" in knowledge … generation. Such an approach we argue misses important features of technological knowledge and also neglects the importance of …