In this article we estimate a time-varying " natural " rate of interest (TVNRI) for a synthetic euro area over the period 1979Q1-2002Q4 using a small backward-looking macroeconomic model, broadly following a methodology developed by Laubach and Williams (2003) for the United States. The Kalman...

The real interest rate gap or IRG -the gap between the short term real interest rate and its "natural" level-, is a theoretical concept that has attracted much attention in central banks in recent years. This paper aims at clarifying its practical relevance for monetary policy in real time. For...

We compute optimized monetary policy rules for the ECB when the euro area economy is described by a small empirical macroeconomic model with a time-varying natural interest rate which is positively correlated with fluctuations in trend output growth. We investigate the consequences of both...