““And just as black families of all incomes remain handicapped by a lack of wealth, so too do they remain handicapped by their restricted choice of neighborhood. Black people with upper-middle-class incomes do not generally live in upper-middle-class neighborhoods. Sharkey’s research shows that black families making $100,000 typically live in the kinds of neighborhoods inhabited by white families making $30,000. “Blacks and whites inhabit such different neighborhoods,” Sharkey writes, “that it is not possible to compare the economic outcomes of black and white children.””