12  The term "comfort zone" appeared in the headline of a September 2002 New York Times interview with former Federal Reserve Governor Laurence Meyer (Stevenson, 2002) and has subsequently been used by Federal Reserve officials on numerous occasions, including prominent speeches by Bernanke (2005) and Yellen (2006).
4  BIS Review 35/2008  For instance, a negative shock to aggregate demand that brought inflation near the bottom end of the range might cause long-run expected inflation to fall, which would raise the real interest rate if the nominal interest rate remained unchanged.