We study the properties of the optimal nominal interest rate policy under different levels of price indexation. In our model indexation regulates the sources of inflation persistence. When indexation is zero, the inflation gap is purely forward- looking and inflation persistence depends only on...

This paper analyses the impact of asymmetric preferences with respect to inflation and output by policymakers on interest-rate reaction functions and test for their existence. A modified New Keynesian framework which makes it possible to identify the dominant type of asymmetry is developed and...