The recent volatility in global commodity prices and in the price of oil, in particular, has created renewed interest in the question of how monetary policy makers should respond to oil price fluctuations. In this paper, we discuss why this question is ill-posed and has no general answer. The...

In a two-country DSGE model, the effects of foreign demand shocks on the home country are greatly amplified if the home economy is constrained by the zero lower bound for policy interest rates. This result applies even to countries that are relatively closed to trade such as the United States....