Many researchers have found that the lagged interest rate enters estimated monetary policy rules with overwhelming significance, suggesting that policy adjusts gradually to changes in economic conditions. However, Rudebusch (2002) argues that the lagged interest rate is not a fundamental...

Since December 2008, the Federal Reserve’s traditional policy instrument, the target federal funds rate, has been effectively at its lower bound of zero. In order to further ease the stance of monetary policy as the economic outlook deteriorated, the Federal Reserve purchased substantial...