Economic research in recent years has given considerable prominence to the issue of whether a floating exchange rate provides autonomy with regard to monetary policy to a central bank whose economy is highly open. In particular, Rey (2016) has argued that inflation-targeting advanced economies...

Even when the policy rate is currently not constrained by its effective lower bound (ELB), the possibility that the policy rate will become constrained in the future lowers today's inflation by creating tail risk in future inflation and thus reducing expected inflation. In an empirically rich...