We investigate the implications of rule-of-thumb behaviour on the part of consumers or price setters for optimal monetary policy and simple interest rate rules. The existence of such behaviour leads to endogenous persistence in output and inflation; changes the transmission of shocks to these...

We study optimal interest-rate policy in a New Keynesian model in which the economy can experience financial crises and the probability of a crisis depends on credit conditions. The optimal adjustment to interest rates in response to credit conditions is (very) small in the model calibrated to...

This article analyses the welfare consequences of delegating to the central bank the task of minimising deviations of forecasts of goal variables from their target values. The delegated objectives considered in this article are motivated by the observation that central banks oftentimes operate...