The MBS market widely embraced the Federal Reserve’s decision to increase its holdings of agency MBS by $40 billion per month until job growth improves significantly, but some observers are questioning the long-term costs and effectiveness of the strategy. Mortgage Bankers Association Chief Economist Jay Brinkman said that the Fed plan is “a way to inject more money into the economy,” while noting that the purchase of the no-risk, lower-yielding assets is designed to force investors to expand their risk appetite. “The idea is that if the Fed steps in and buys up some of these safe-haven assets, that is going to force people to go out and invest more and take on more risk,” he said during an MBA conference in Washington, DC, this week. This approach “is actually turning...