The output gap plays a crucial role in thinking and actions of many central banks but real time measurements undergo substantial revisions as more data become available (Orphanides (2001), Orphanides and van Norden (forthcoming)). Some central banks augment, such as the Bank of Canada and the...

This paper uses the Reserve Bank of New Zealand’s model to combine a macroeconomic evaluation of the performance inflation targeting with an analysis of policy rules. The questions to answer are two: (i) what lessons can be obtained from the shocks that have been experienced and the response...