We build an arbitrage-based model of the yield curves in a heterogeneous monetary union with sovereign default risk, which can account for the asymmetric shifts in euro area yields during the Covid-19 pandemic. We derive an affine term structure solution and decompose yields into term premium...

We study the evolving operating procedures used by the ECB since its creation. During the period up to 2015, bank reserves were scarce and the ECB, like other central banks, used a corridor system in which the money market rate could fluctuate within the bounds set by the lending and the deposit...