On the role played by temporary geographical proximity in knowledge transmission

In this article, we defend the thesis that geographical proximity remains essential for knowledge transfer, but not often implies the co-location of innovation and research activities. The need for geographical proximity now mostly affects certain stages of the process of production, research or development. Short or medium-term visits are often sufficient for the partners to exchange the information needed for cooperation. The mobility of individuals makes it possible to implement this mechanism. Temporary geographical proximity implies a strong relation to space but one that differs in nature from that described by the traditional approaches