Ethnic inventors play important roles in US innovation systems, especially in high-tech regions like Silicon Valley. Do … ‘ethnicity-innovation’ channels exist elsewhere? This paper investigates, using a new panel of UK patents microdata. In theory …, ethnicity might affect positively innovation via ‘star’ migrants, network externalities from co-ethnic groups, or production …

regional innovation systems, and knowledge and socio-economic spillovers. This approach allows the discrimination between the …Research on the impact of innovation on regional economic performance in Europe has fundamentally followed three …) the study of the existence and efficiency of regional innovation systems; and (3) the examination of the geographical …

This article presents a formalization of knowledge based on a connectionist model of a firm's structure. Transaction … costs are not ignored, but integrated with the knowledge-based approach. A numerical example on the canonical comparison of …