This arrogance, toward the public and even toward one another, undermines central banks’ effectiveness. One of the goals of monetary policy is to shape people’s behavior. When a central bank says it anticipates that prices are going to rise, it expects the public to take that advice seriously. If people do, and they buy things now before prices rise, then perhaps prices won’t rise as much. But central banks need credibility for this stabilizing mechanism to work.
Read more… Source :nytimes