Over the last decades, at a European level, efforts have been made so that regions become capable of sustainable economic growth, with great social cohesion and better distribution of wealth, while at the same time under open market conditions, they are being exposed to external competitiveness....

Nowadays, more and more scholars of regional science are interested in the role of agglomeration economies in the knowledge-based economy. This issue can be dealt with from different points of view: the competitive type of functional or nodal regions and one has to examine the factors...