Frankel, Jeffrey A. "Reckoning With Inequality." Korea Herald, March 27, 2016.
When it comes to the rise in economic inequality since the 1970s in the United States and some other advanced economies, it doesn’t really matter which measure of income distribution we choose: They all show the increase. And, while many competing explanations have been proposed, we do not need to agree about causes to concur on sensible policies to address the problem.