Concentration of economic activity and, in particular, concentration of population emerges as a relevant feature of this century. The grave problems associated with large cities (urban traffic congestion, pollution, crime, etc.) have made the study of them an important topic. The first step to...

There is no doubt that people like to migrate to large cities because they can acquire a wider range of products and jobs, but also because they can exchange information and ideas in an easier way. In this respect, we will attempt to explain the formation of metropolitan areas through a general...