Studies of inflation targeting make the distinction between strict and flexible inflation targeting. The problem of strict inflation targeting has so far been analysed by treating it as a special case of a standard optimal control problem and the algorithms used have not provided an exact solution. This paper presents a formal solution to the problem of strict inflation targeting in a economy with a forward-looking variable. It explains how the results can be applied with more than one forward-looking variable. It also draws on relevant control theory results. The results are illustrated on a small macro-economic model. It is shown that the use of a solution method which exploits the existence of a forward-looking variable delivers a solution which would not be easy to find by standard control methods.
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Paper provided by National Institute of Economic and Social Research in its series NIESR Discussion Papers with number
231.