Purpose: Health care ecosystems instantiate different innovation trajectories, driven either by science-/techno-push or user-centric rationales. This article focuses on organization intermediaries (OIs), respectively, active in health care ecosystems driven by science-...

Defence innovation systems are structured around two main groups of players that interact in the development of complex programmes: the state (the client and the government agency) and the systems integrators. Technological and institutional changes since the 1990s have affected the division of...

[eng] This article inquires the specificities of the contribution of first level contractors and systems integrators on the basis of instances taken in military aeronautics (Mirage IV, JSF F-35, 400 M). The orga nization of complex programs (CoPS) is analyzed with special reference to know ledge...