Redding and Sturm (2008) use the German division as a natural experiment to study the importance of market access for regional development. They show empirically that cities close to the East-West German border experienced a significant decline in population growth due to division. I argue that...

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...