Based on an established theoretical framework of the drivers of inventive performance, the so-called KSAO (Knowledge …

This paper studies the links between productivity, innovation and research at the firm level. We introduce three new … features: (i) A structural model that explains productivity by innovation output, and innovation output by research investment … of firms engage in research activities and/or apply for patents; productivity, innovation and research are endogenously …

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 non …

technological knowledge. We suggest some ways of enriching this framework with a more empirically grounded view of both and, by … differentiation and component innovation. We show that, as the complexity of the product spaces increases, stronger patent regimes … yield lower rates of innovation, lower product quality and lower consumers' welfare. -- Patents ; appropriability of …