Most labor scarce overseas countries moved decisively to restrict their immigration during the first third of the 20th century. This autarchic retreat from unrestricted and even publiclysubsidized immigration in the first global century before World War I to the quotas and bans introduced...

This paper is concerned with the determinants and consequences of intercontinental migration over the past four centuries. It begins with a review of the history of primarily trans-Atlantic migration to the New World during the period of Colonial settlement. The contract and coerced migration...