networks of four selected regions are based on information on patent applicants and inventors. Count data regressions show … positive effects on innovation of both the total number of relations and of access to a larger knowledge base. However, when … some sort of public good to the innovation system. -- Innovator networks ; Gatekeeper ; Zero Iflated Generalised Poisson …

after the Second World War. In particular, it is aimed at comparing the technological strength (in terms of patents … registered with the European Patent Office) of innovative firms located within and outside industrial districts, in order to … population of firms with their headquarters in the region which registered at least one patent with the European Patent Office …