This article provides a brief review of issues relating to deflation. It explains what is meant by deflation, examines the historical experience and investigates what costs might be associated with deflationary episodes. It suggests that the adverse effects of deflation can be exaggerated by...

We develop a method of quantifying the uncertainty surrounding the estimates of the fundamental inflation implied by the New Keynesian Phillips Curve (NKPC). The uncertainty is represented as a band around the fundamental inflation, and encompasses the sampling uncertainty of both the estimates...