We assess the role of ethnic ties in the diffusion of technical knowledge by means of a database of patent filed by US-resident inventors of foreign origin, which we identify through name analysis. We consider ten important countries of origin of highly skilled migration to the US, both Asian...

This paper documents the influence of diaspora networks of highly-skilled individuals – i.e., inventors – on international technological collaborations. Using gravity models, it studies the determinants of the internationalization of inventive activity between a group of...