But to get the concrete answers on those questions you need concrete circumstances: the economic conditions; what you buy; how much you buy, mitigating factors like the conditionality etc. WSJ: How important is it that monetary policy decisions are not influenced by the state of the banking system?
What is important is that you have to make sure that the decisions in the banking supervisory arm are not influenced by your monetary policy task and vice versa, and that you can do. But you cannot have a Chinese wall in your head.