This paper proposes a simple explanation for the frequent appearance of a price puzzle in VARs designed for monetary policy analysis. It suggests that the best method of solving the puzzle implies a close connection between theory and empirics rather than the introduction of a commodity price....

This paper analyzes the use of announcements of objectives or intentions, announcements which are common in implementation of monetary policy. To analyze such announcements, this paper uses a model in which there is asymmetric information over the central bank’s objectives. This informational...

Policymakers often use the output gap, a noisy signal of economic activity, as a guide for setting monetary policy. Noise in the data argues for policy caution. At the same time, the zero bound on nominal interest rates constrains the central bank's ability to stimulate the economy during...