Question: How is the U.S. savings rate, which has gone from near zero percent in the past to 6.9 percent recently, determined? And a more elaborate question: Is it truly the difference between what is earned and what is…

Question: Who pays the rating agencies, like Moody’s? What is the source of their income? Paul Solman: That’s been the scandal. They’re paid by the issuers of the bonds and stocks they rate. They thus have a huge incentive not…