We conduct a systematic analysis of the costs and benefits of large-scale securities purchases, using the Federal Reserve's QE4 program as a concrete example. This program was initiated at the onset of the pandemic in March 2020 and continued for two years, leading to a doubling of the Fed's...

This paper assesses the proximate causes of the post pandemic surge in US inflation, the Federal Reserve's real time reaction to and interpretation of incoming data in 2021, and the pivot to raising rates and shrinking the balance sheet that commenced in 2022 and continues in 2023. Particular...

As central bankers intensify their focus on inflation as the primary goal of monetary policy, it becomes increasingly important to have accurate and reliable measures of changes in the aggregate price level. Measuring inflation is surprisingly difficult, involving two types of problems. Commonly...

Modern theory has delivered both the conservative central banker and the principal-agent approaches as rationales for the independence of the central bank. The principal-agent approach directs attention to the importance of both clearly defining the goals of the central bank and its command in...

This paper, which is the introductory chapter in my book, "Monetary Policy Strategy", forthcoming from MIT Press, outlines how thinking in academia and central banks about monetary policy strategy has evolved over time. It shows that six ideas that are now accepted by monetary authorities and...

The paper generalizes the Taylor principle---the proposition that central banks can stabilize the macroeconomy by raising their interest rate instrument more than one-for-one in response to higher inflation---to an environment in which reaction coefficients in the monetary policy rule evolve...

Inflation targeting offers the promise of introducing to monetary policy a logic and consistency that some central banks' deliberations sorely missed in the past. At least in today's inherited monetary policymaking context, however, inflation targeting also serves two further objectives that are...

A parsimonious model of shifting policy regimes can simultaneously capture expected and actual US inflation during 1969-2005. Our model features a forward-looking New Keynesian Phillips curve and purposeful policymakers that can or cannot commit. Private sector learning about policymaker type...