(Bloomberg View) -- People have strong opinions about what constitutes affluence. Last week I ventured that U.S. households with six-figure incomes generally make the cut, given that they make up the top quarter of the income distribution. I...

(Bloomberg View) -- Inequality in the U.S. depends on how you look at it: Some groups of rich households, for example, have fared much differently than others. Such nuances are crucial in understanding the phenomenon -- and what policy makers sho...