Fed Chair Yellen: must keep our unconventional policy tools ready to be deployed due to "uncomfortably high" risk of short term rates dropping to lower bound again in the future
As a result of the Great Recession, the Federal Reserve has confronted two key challenges over the past several years: One, the FOMC had to provide additional policy accommodation after short-term interest rates reached their effective lower bound; and two, subsequently, as we made progress toward the achievement of our mandate, we had to start scaling back that accommodation in the presence of a vastly expanded Federal Reserve balance sheet.
Today I highlighted two points about the FOMC's experience with those challenges. First, the monetary policy tools that the Federal Reserve deployed in the immediate aftermath of the crisis--explicit forward rate guidance, large-scale asset purchases, and the payment of interest on excess reserves--have helped us overcome these challenges.
Second, in light of evidence suggesting that the neutral level of short-term interest rates is significantly lower than it was in previous decades, the likelihood that future monetary policymakers will have to confront those two challenges again is uncomfortably high. For this reason, we must keep our unconventional policy tools ready to be deployed again should short-term interest rates return to their effective lower bound.