Persistent differences in interest rates across countries account for much of the profitability of currency carry trade strategies. "Commodity currencies'' tend to have high interest rates while low interest rate currencies belong to exporters of finished goods. This pattern arises in a...

We study how changes in the value of the steady-state real interest rate affect the optimal inflation target, both in the U.S. and the euro area, using an estimated New Keynesian DSGE model that incorporates the zero (or effective) lower bound on the nominal interest rate. We find that this...