In this paper, we discuss the consequences of taking into account the variations of the natural real interest rate (r t *) in simple monetary policy rules. We also provide one possible model-based analysis of the level of r t * that has prevailed in the euro area since the early 1970s, and...

On several occasions during the period 2001-2003, the European Central Bank (ECB) decided to deviate from its "neutral" benchmark allotment rule, with the effect of not alleviating a temporary liquidity shortage in the banking system. This is remarkable because it implied the possibility of...