Journals moderate knowledge activity in economics. The activity of publishing article in professional journal forms … significant part of knowledge output. Output of economics articles has been growing over the time. We examine an important … question: Is there any case of institutional or location concentration in knowledge production? This paper analyses …

of Practice” (CoP) for understanding the dynamics of knowledge creation and sharing in Industrial Districts (IDs). The … repository” of knowledge. The source of the concept of agglomeration of firms in ID is completely different. Anyway, many …, it explains the three main concepts useful for understanding further argumentations: knowledge, ID, CoP. Next, it offers …