[eng] The European satellite sector allows for the analyses of the complexity of technologies and economic organizations. Technical progress in Europe, in the last thirty years, is based on direct state intervention in the innovation and learning-by-interacting processes. In fact, European...

[eng] Generally, the notion of embeddedness is used to suggest that some kind of economic activity depends on social structures, and especially on social networks. But, where do social relations come from ? Several studies of social networks show that personal relations are most of the times...