The Wall Street Journal | March 9, 2015
A year after the English-language edition of “Capital in the Twenty-First Century” dominated American bestseller lists, Thomas Piketty is trying to cover his retreat with an article aimed at academic economists who have largely rejected the book. In the new article, Mr. Piketty tries to guide people toward his tome’s stronger points and away from its weaknesses, which include his cavalier use and abuse of data.