The natural rate of interest -- the real interest rate consistent with output equaling potential -- plays an important role in both economic forecasting and monetary policy. Much of the literature has assumed that the natural rate of interest is constant. For example, the Taylor rule includes a...

We use nonparametric, local regression and regression tree analysis to assess whether there exist multiple regimes in U.S. monetary policy over the period 1955:3-2000:2. We model U.S. monetary policy using a Taylor rule specification for the nominal interest rate target. By contrast with...

This paper studies the formulation of monetary policy in a changing environment when knowledge regarding some aspects of the structure of the economy is imperfect and an adaptive learning technology is available to the policymaker and economic agents. As a benchmark, we develop a simple model of...