Most bond dealers expect the Federal Reserve to begin buying a substantial volume of MBS in an effort to stimulate an anemic economy, according to the results of a Bloomberg News survey of bond dealers. They project that the Fed could buy as much as $800 billion of MBS in 2012. The Fed would not respond to requests for comment regarding this plan, but the purchasing of MBS may be a part of a new round of quantitative easing for the market. Fed analysts claim that the agency’s first big MBS buying binge, between November 2008 and March 2010, helped push mortgage rates...