The post-pandemic inflation surge underscores that monetary policy continues to be hampered by two long-standing challenges: the pretence of knowledge and the proclivity for discretion. Focusing on the Federal Reserve, this paper demonstrates how simple policy rules, designed to be robust under...

The post-pandemic inflation surge underscores that monetary policy continues to be hampered by two long-standing challenges: the pretence of knowledge and the proclivity for discretion. Focusing on the Federal Reserve, this paper demonstrates how simple policy rules, designed to be robust under...

This paper investigates the optimal monetary policy response to a shock to collateral when policymakers act under discretion and face model uncertainty. The analysis is based on a New Keynesian model where banks supply loans to transaction constrained consumers. Our results confirm the...

When the economy is subject to recurrent structural shifts, the monetary authority cannot credibly commit to a systematic approach to policy, since consistency between promises and actions is not easily verifiable; moreover, since agents have incomplete knowledge of the surrounding environment,...

This paper analyzes the dynamic impact of discretionary government consumption purchases on private demand. Using a panel of 132 countries from 1960 to 2008, we find that while discretionary changes in government consumption lead to crowding-in effects in the short run, crowding-out effects take...