The Global Competition for Talent : Mobility of the Highly Skilled This publication discusses the dimensions significance and policy implications of international flows of human resources in science and technology. The international mobility of highly skilled workers is increasing in scale and complexity as more economies participate in R&D and innovation activity. Mobile talent diffuses knowledge both directly and indirectly across borders. This can boost global innovation performance with benefits accruing to both sending and receiving countries. It is clear that mobility is leading to an increasing level of labour market internationalisation and integra