Recent studies provide conflicting evidence on the connection between ethnic or racial neighborhood segregation and outcomes. Some studies find that residence in an enclave is beneficial, some reach the opposite conclusion, and still others imply that any relationship is small. One hypothesis is...

This paper examines segregation in American cities from 1890 to 1990. From 1890 to 1940, ghettos were born as blacks migrated to urban areas and cities developed vast expanses filled with almost entirely black housing. From 1940 to 1970, black migration continued and the physical areas of the...

This paper uses decennial Census data to examine trends in immigrant segregation in the United States between 1910 and 2000. Immigrant segregation declined in the first half of the century, but has been rising over the past few decades. Analysis of restricted access 1990 Census microdata...