Examines magnitude of immigration to U.S. of scientists, engineers and physicians -- many of whom received their training in America -- from developing nations, together with impact of that loss on those nations.

Examines magnitude of immigration to U.S. of scientists, engineers and physicians -- many of whom received their training in America -- from developing nations, together with impact of that loss on those nations.

Theoretical studies of the determinants of migration by skilled persons and the output and welfare effects of such migration on the migrants and the countries of departure and destination. The volume measures the numbers of highly skilled migrants from different countries to the U.S. and Canada, with an analysis of policy alternatives.