The Reason It Can Be Tough to Cross the Street

Called the American Dream, the income mobility that lifts a child beyond a parent’s poverty can depend on a community’s characteristics.

Income Mobility: Location Matters

Reading about US income mobility, I recalled what fractal mathematician Benoit Mandelbrot said about the British coastline. While from a distance it will appear straight, the closer you look, the more you see its indents and zigzags. Consequently, Dr. Mandelbrot believed…