2014-04-28 ■ 本 経済 本 経済 Twitter / Nouriel: The Piketty Panic by Paul Krugman The Piketty Panic by Paul Krugman http://mobile.nytimes.com/2014/04/25/opinion/krugman-the-piketty-panic.html http://d.hatena.ne.jp/d1021/20140424#1398336387