Another study found that the 2.5 percent decrease in unemployment between 1992 and 1997 resulted in a decrease of 4.3 percent for robbery, 2.5 percent for auto theft, 5 percent for burglary, and 3.7 percent for larceny. Sociologist Karen F. Parker strongly linked the growth of Black-owned businesses to a reduction in Black youth violence between 1990 and 2000.
