The objective of this paper is to measure the impact of different kinds of knowledge and external economies on the urban growth in an intraregional network of cities. The paper is divided in five sections. First section (theoretical framework) exposes the relation between the knowledge-based...

At the end of the XIX Century, Marshall described the existence of some concentrations of small and medium enterprises specialised in a specific production activity in certain districts of some industrial English cities. Starting from his contribute, Italian scholars have paid particular...

The industrial district is a model of production mainly related to medium and small cities characterized by industrial specializations in small and medium enterprises. However, the mapping of the phenomenon in countries as Italy and Spain suggest that industrial districts are also present in...