The classical foundations of migration research date from the 1880s with Ravenstein's "Laws of migration", which represent the fi rst comparative analyses of internal migration. While his observations remain largely valid, the ensuing century has seen considerable progress in data collection...

With over 70% of Europeans living in urban areas, cities and metropolitan areas are the motors of economic growth and home to most jobs. They play a key role as centres of innovation and the knowledge economy. At the same time, urban areas are the frontline in the battle for social cohesion and...