For at least half a century, and building on observations first made a century earlier, the gravity model has been the most commonly‐used paradigm for understanding gross migration flows between regions. This model owes its success to, firstly, its intuitive consistency with migration...

A burgeoning literature has emerged during the last two decades to assess the economic impacts of immigration on host countries. In recent years much research has been at the national level under the assumption that impacts in open regions may dissipate through adjustment processes such as...