Thomas Piketty: New thoughts on capital in the twenty-first century

French economist Thomas Piketty caused a sensation in early 2014 with his book on a simple, brutal formula explaining economic inequality: r is greater than g (meaning that return on capital is generally higher than economic growth). Here, he talks through the massive data set that led him to conclude: Economic inequality is not new, but it is getting worse, with radical possible impacts. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s l