In short, the widely reported explosion of inequality in the past three decades is likely a myth, built upon outdated and flawed statistics… Whereas Piketty and Saez show a massive century-long swing of almost 20 percentage points in the income share of the top 10 percent, the adjusted figures show a much flatter curve with a little over half the variation. Inequality still falls and rises under the revised numbers, but at a comparatively subdued rate. Under the adjustments, the top 10 percent income share seldom strays more than 5 percentage points away from a century-long average of about 35 percent. …
Perhaps we should also focus on ensuring an abundance of opportunity, rather than regarding it as a problem when some people inevitably make more than others.
(H/T: Tax Prof)