We provide a framework for analyzing the choice between optimal and robust monetary policy rules in the presence of paradigm uncertainty. We first discuss the conditions on uncertainty that render a robust rule preferable to an optimal rule. Second, we show how the degree of risk aversion of the...

We argue that in seeking to insure against model uncertainty, monetary policy makers are often ready to trade ex-post performance for greater certainty in the outcome. They thus look for rules that although not optimal ex post, have certain properties that qualify them as robust. We apply first,...

We analyze the European Central Bank''s (ECB''s) response to the global financial crisis. Our results suggest that even during the crisis, the core part of ECB''s monetary policy transmission-from policy rates to market rates-has continued to operate, but at a decreased efficiency. We also find...

We analyze the European Central Bank's (ECB's) response to the global financial crisis. Our results suggest that even during the crisis, the core part of ECB's monetary policy transmission-from policy rates to market rates-has continued to operate, but at a decreased efficiency. We also find...