The popular Taylor rule is meant to inform monetary policy in economies that are closed. Its main open-economy alternative, i.e., Ball's (In: J.B. Taylor (Ed.), Monetary Policy Rules, University of Chicago Press, Chicago) rule based on a Monetary Conditions Index, cannot offer guidance for the...

This paper revisits a widely adopted approach to robust decision making developed by (Hansen and Sargent, 2003) and (Hansen and Sargent, 2008)--henceforth HS--and applies it to monetary policy design in the face of model uncertainty. We pay particular attention to two issues: first, we...