An important concern for the European Central Bank (ECB), and all central banks alike, is the necessity of making decisions in real time under conditions of great uncertainty about the underlying state of the economy. We address this concern by estimating on real-time data a New Keynesian model...

We analyse a simplified New-Keynesian model with an unobserved aggregate cost-push shock in which firms and the central bank have different information about the shock. We consider a linear policy rule where a pure inflation targeting central bank decides how much to react to the shock given its...