In this article, the authors use a special data set compiled for 60 U.
S. metropolitan areas to examine 1970-1980 trends in the distribution
of family income and shifts in the degree of segregation between incom
e groups. They document how these changes contributed to increases in
the spatial concentration of affluence and poverty during the 1970s an
d estimate simple descriptive models that connect these outcomes to br
oader socioeconomic trends in U.S. urban areas.