This paper presents an economic model of R&D network formation through the creation of strategic alliances. Firms are randomly endowed with knowledge elements. They base their alliance decisions purely on the technological fit of potential part- ners, ignoring social capital considerations and...

Do world-leading researchers from developing countries contribute to upgrading locally, or do they disengage from the local context? The paper investigates the scientific collaborations of university-based science and technology researchers in the database of the South African National Research...