As the job market gains steam, Federal Reserve Chair Janet Yellen faces a massive challenge to adjust her monetary levers just right: She wants to keep the recovery going without stoking a bubble or spurring inflation. It's a delicate balance that has bedeviled many central bank chiefs in the past.
A dramatic drop in U.S. bond yields over the past year might be just what Yellen needs to strike that balance, according to two International Monetary Fund economists.
Andrew Mayeda | Bloomberg Business