The Federal Reserve is launching its aggressive new campaign to boost economic growth by gobbling up the lion’s share of new agency MBS production in a stagnant market. The volume of outstanding single-family agency MBS grew by just $651 million during the second quarter of 2012, according to a new Inside MBS & ABS analysis. At $5.382 trillion, the agency MBS market at the end of June was down 0.5 percent from the same point in 2011. Because the non-agency MBS market is...[Includes two data charts]