Interwar macroeconomic history is a natural place to look for evidence on the correlations between (a) deflation and depression and (b) unexpected deflation and depression. We apply time-series methods to measure unexpected deflation or inflation for 26 countries from 1922 to 1939. The results...

We provide a new way to filter US inflation into trend and cycle components, based on extracting long-run forecasts from the Survey of Professional Forecasters. We operate the Kalman filter in reverse, beginning with observed forecasts, then estimating parameters, and then extracting the...

Well anchored inflation expectations are considered to be a reflection of credible monetary policy. In the past, anchoring has been assessed using either long-run inflation surveys or break-even inflation rates on financial assets with long maturities. But neither of these is ideal. Here we...