This talk emphasizes the connection between inflation targeting and monetary policy rules. Inflation targeting is not enough. You need to have a policy procedure - a policy rule - to achieve the target. And one cannot design or evaluate a monetary policy rule without a target inflation rate....

Since central banks have limited information concerning the transmission channel of monetary policy, they are faced with the difficult task of simultaneously controlling the policy target and estimating the impact of policy actions. A tradeoff between estimation and control arises because policy...