Networks have been hailed as a third organizational form, between markets and hierarchies. One of the main characteristics of networks is the coexistence of different kinds of relationships, personal and professional among these. The presence of multiple types of relationships modifies...

In this paper we apply a core/periphery framework to an intra-organizational context to study the interplay between formal and informal core/periphery structures. Specifically, we consider how core positions occupied by inventors in the corporate R&D division of a large multinational high-tech...