A billboard with the image of a U.S. $100,000 bill stands in New York, U.S. (Photographer: Scott Eells/Bloomberg)

Economics Reinvents Itself Every Few Decades. It's Happening Now

(Bloomberg Markets) -- It takes a trauma to shake up economics. After the Great Depression, and again during the stagflation of the 1970s, new orthodoxies emerged. Something similar may be under wa...