

But of these 64 million are in Europe, 53 in Asia and 44 in America. Migrants are 191 million the world over, a small percentage of the world population (3%). On the one hand there is the city’s territory, on the other the flows (of activities made in the world and hence perennially on the move, of non resident, migrant population) that seem to be exponentially growing in all directions within and between territories. The economy is today largely diffused across territories and distributed in long value-chains, yet its base is within cities. The crossover between these two dimensions (Storper, Walker 1989) used to occur in the urban environment, today it extends over new and broadened city-regional scales. Hence the cities open to new geographies both of industrialisation and territorial development. We can start from two traits: the internationalization of economic systems and the flexible informalization of labour markets and relations connected to a strong growth of functional urban services. The economic base of contemporary cities is changing.

(A) Urban Italy as a Postmetropolitan Territory of Flows
