Technological knowledge can be understood as a collective good when it is the outcome of the integration between internal to the firm investments in R&D and learning and the absorption of competencies and technologies provided by external organizations (such as, other firms, universities, R&D...

P ATRUCCO P. P. (2003) Institutional variety, networking and knowledge exchange: communication and innovation in the case of the Brianza technological district, Reg. Studies 37 , 159-172. Elaborating on the literature on innovation systems and technological districts, this paper suggests that...