Sunspots and Monetary Policy
A monetary economy subject to expectational sunspots is prone to instability, in the sense of multiple rational expectations equilibria. We show how to modify the policy rule to guarantee stability in the presence of expectational sunspots. The policy-maker must co-ordinate inflation dynamics by targeting each of lagged, current and expected inflation. We show that this solution maps directly into the timeless perspective by Woodford. Finally, we trace the responses in an artificial sunspot economy to the adoption of our rule and illustrate the extent to which macroeconomic persistence is reduced.
|Date of creation:||Mar 2006|
|Date of revision:|
|Contact details of provider:|| Postal: Brunel University, Uxbridge, Middlesex UB8 3PH, UK|
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