06/21/2013 08:33 am ET Updated Aug 21, 2013

Paul Krugman Reveals What Makes The 21st Century So Different

Getty Images

One lesson from recent economic troubles has been the usefulness of history. Just as the crisis was unfolding, the Harvard economists Carmen Reinhart and Kenneth Rogoff -- who unfortunately became famous for their worst work -- published a brilliant book with the sarcastic title "This Time Is Different."

Read more on The New York Times