gentrification, the rehabilitation and settlement of decaying urban areas by middle- and high-income people. Beginning in the 1970s and 80s, higher-income professionals, drawn by low-cost housing and easier access to downtown business areas, renovated deteriorating buildings in many cities, reversing what had been an outmigration of upper-income families and individuals from many urban areas. This led to the rebirth of some neighborhoods and a rise in property values, but it also caused displacement problems among poorer residents, many of them elderly and unable to afford higher rents and taxes.
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