Monetary policy is most effective when public beliefs about future policies are actively managed. This is the appeal of policy rules and commitment strategies, typically absent under discretion. But when a policymaker has some private information - as is the case in reality - belief management...

We describe a behavior of a central bank when its measures of current inflation and outputare subject to measurement errors, in a framework of optimizing models with nominal pricestickiness. In our model, a central bank sets the interest rate equal to its current estimate of theso-called...