This revised, updated, and expanded fourth edition of Immigrant America: A Portrait provides readers with a comprehensive and current overview of immigration to the United States in a single volume. Updated with the latest available data, Immigrant America explores the economic, political,...

We review the bourgeoning literature on ethno-racial diversity and its alleged effects on public trust and cohesion in the context of the evolution of the concept of social capital and earlier claims about its manifold positive effects. We present evidence that questions such claims and points...

There is no comprehensive theory of international migration, but in this chapter we review a wide range of theories organized into four major categories: those that seek to explain the determinants of the origins of migration, its continuation and directionality, the uses of migrant labor, and...