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First, the central bank said it would increase the amount of quantitative easing by replacing Operation Twist, which ends Dec. 31, with outright purchases of long-dated Treasury bonds.
Under Operation Twist, every month the Fed sold $45 billion in short-term Treasury bonds and notes and bought $45 billion of long-term Treasury bonds in an effort to keep long-term interest rates low.
Because the Fed funded its purchase of long-term bonds with the sale of short-term bonds and notes, no new money was created.
However, outright purchases of long-term bonds will create new money-$45 billion every month-and, by concentrating its buying at the long end of the yield curve, the Fed should be able to keep long-term interest rates low.
The Fed also said it will continue to purchase $40 billion of mortgage-backed securities each month, creating a total of $85 billion in new money from these operations monthly.
That means QE4 is here.
Starting in January, the Fed will be more than doubling the amount of money it is pumping into the economy. Happy New Year!
Second, the Fed set unemployment and inflation "thresholds," instead of setting a date for when the central bank expects to be able to raise interest rates. What this means is that the Fed will not raise interest rates unless unemployment is 6.5% or less or inflation is more than 2.5%.
By setting thresholds where monetary policy might change, the Fed is attempting to improve its communications with the public.