We develop an estimated model of the U.S. economy in which agents form expectations by continually updating their beliefs regarding the behavior of the economy and monetary policy. We explore the effects of policymakers' misperceptions of the natural rate of unemployment during the late 1960s...

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 examine the performance and robustness properties of monetary policy rules in an estimated macroeconomic model in which the economy undergoes structural change and where private agents and the central bank possess imperfect knowledge about the true structure of the economy. Policymakers...

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...