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Working Paper
Monetary policy implementation with an ample supply of reserves
Methods of monetary policy implementation continue to change. The level of reserve supply—scarce, abundant, or somewhere in between—has implications for the efficiency and effectiveness of an implementation regime. The money market events of September 2019 highlight the need for an analytical framework to better understand implementation regimes. We discuss major issues relevant to the choice of an implementation regime, using a parsimonious framework and drawing from the experience in the United States since the 2007-2009 financial crisis. We find that the optimal level of reserve supply ...
Discussion Paper
Treasury Bill Supply and ON RRP Investment
Take-up at the Federal Reserve’s Overnight Reverse Repo Facility (ON RRP) increased from a few billion dollars in January 2021 to around $2.6 trillion at the end of December 2022. In this post, based on a recent Staff Report, we explain how the supply of U.S. Treasury bills (T-bills) affects the decision of money market mutual funds (MMFs) to invest at the facility. We show that MMFs responded to a reduction in T-bill supply by increasing their take-up at the ON RRP, helping to explain the increased overall take-up.
Discussion Paper
How the Fed’s Overnight Reverse Repo Facility Works
Daily take-up at the overnight reverse repo (ON RRP) facility increased from less than $1 billion in early March 2021 to just under $2 trillion on December 31, 2021. In the second post in this series, we take a closer look at this important tool in the Federal Reserve’s monetary policy implementation framework and discuss the factors behind the recent increase in volume.
Working Paper
The Optimal Supply of Central Bank Reserves under Uncertainty
This paper provides an analytically tractable theoretical framework to study the optimal supply of central bank reserves when the demand for reserves is uncertain and nonlinear. We fully characterize the optimal supply of central bank reserves and associated market equilibrium. We find that the optimal supply of reserves under uncertainty is greater than that absent uncertainty. With a sufficient degree of uncertainty, it is optimal to supply a level of reserves that is abundant (on the flat portion of the demand curve) absent shocks. The optimal mean spread between the market interest rate ...
Journal Article
The Market Events of Mid-September 2019
This article studies the mid-September 2019 stress in U.S. money markets: On September 16 and 17, unsecured and secured funding rates spiked, and on September 17, the effective federal funds rate broke the ceiling of the Federal Open Market Committee (FOMC) target range. We highlight two factors that may have contributed to these events. First, reserves may have become scarce for at least some depository institutions, in the sense that these institutions’ reserve holdings may have been close to, or lower than, their desired level. Moreover, frictions in the interbank market may have ...
Report
Banks’ Balance-Sheet Costs, Monetary Policy, and the ON RRP
Using a quasi-natural experiment, we show that quantitative easing (QE) interacts with bank regulation, impacting the size and portfolio choices of non-banks. In 2021, upon the expiration of the Supplementary Leverage Ratio relief, banks were incentivized to reduce leverage, shedding deposits and reducing the supply of wholesale debt. We show that as a result, money-market funds experienced large inflows and shifted their portfolios toward the Federal Reserve’s ONRRP facility. Our results imply that when non-banks can access the central-bank balance sheet, they end up holding a share of ...
Discussion Paper
Reserves and Where to Find Them
Banks use central bank reserves for a multitude of purposes including making payments, managing intraday liquidity outflows, and meeting regulatory and internal liquidity requirements. Data on aggregate reserves for the U.S. banking system are readily accessible, but information on the holdings of individual banks is confidential. This makes it difficult to investigate important questions like: “Which types of banks hold reserves?” “How concentrated are they?” and “Does the distribution change over time or in response to significant events?” In this post, we summarize how ...
Discussion Paper
Tracking Reserve Ampleness in Real Time Using Reserve Demand Elasticity
As central banks shrink their balance sheets to restore price stability and phase out expansionary programs, gauging the ampleness of reserves has become a central topic to policymakers and academics alike. The reason is that the ampleness of reserves informs when to slow and then stop quantitative tightening (QT). The Federal Reserve, for example, implements monetary policy in a regime of ample reserves, whereby the quantity of reserves in the banking system needs to be large enough such that everyday changes in reserves do not cause large variations in short-term rates. The goal is ...
Discussion Paper
When Are Central Bank Reserves Ample?
The Federal Reserve (Fed) implements monetary policy in a regime of ample reserves, whereby short-term interest rates are controlled mainly through the setting of administered rates. To do so, the quantity of reserves in the banking system needs to be large enough that everyday changes in reserves do not cause large variations in the policy rate, the so-called federal funds rate. As the Fed shrinks its balance sheet following the plan laid out by the Federal Open Market Committee (FOMC) in 2022, how can it assess when to stop so that the supply of reserves remains ample? In the first post of ...
Discussion Paper
How Bank Reserves Are Distributed Matters. How You Measure Their Distribution Matters Too.
Changes in the distribution of banks’ reserve balances are important since they may impact conditions in the federal funds market and alter trading dynamics in money markets more generally. In this post, we propose using the Lorenz curve and Gini coefficient as a new approach to measuring reserve concentration. Since 2013, concentration, as captured by the Lorenz curve and the Gini coefficient, has co-moved with aggregate reserves, decreasing as aggregate reserves declined (such as in 2015-18) and increasing as aggregate reserves increased (such as at the onset of the COVID-19 pandemic).