Summary · Grouping the regions of the EU-15 and the new member states (NMS, including Bulgaria and Romania) into five clusters according to the relative importance of broad sectors of activity reveals marked differences in the regional economic structure and development. · In capital cities...

The share of knowledge-intensive services and products in total output and demand and in the production of advanced, but also less advanced or emerging economies, has steadily increased over time and especially so for the knowledge-intensive services. This ‘quaternization’ of the economies...