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Authorized for public release by the FOMC Secretariat on 1/12/2024

December 7, 2018

Possible Plans for Transitioning to a Long-Run Operating Regime 1
Participants at the Committee’s November 2018 meeting cited advantages of
remaining in a regime of abundant excess reserves, but also noted uncertainty about the
ultimate quantity of reserves required for such a regime as well as potential costs
associated with maintaining a large balance sheet. Consideration of these tradeoffs
between balance sheet size and implementation regime is consistent with the FOMC’s
September 2014 Policy Normalization Principles and Plans, which indicate that the
Federal Reserve will, in the longer run, hold no more securities than necessary for the
efficient and effective implementation of monetary policy. The 2014 Principles also
indicated that these holdings should primarily consist of Treasury securities. Since 2017,
the Committee has been gradually reducing its asset holdings. The memos in this package
describe a variety of possible plans that might be employed, individually or in
combination, to transition to a long-run regime of lower reserve levels and a smaller
balance sheet composed of primarily Treasury securities, consistent with the Committee’s
previous communications.
Before considering how that transition might proceed, it is useful to review the
evolution of money markets since balance sheet normalization began. In the current
regime, interest rate control mainly works through the setting of the interest rate on
excess reserves (IOER). Over the last year, this approach has proven sufficient to keep
the federal funds rate within the Committee’s target range and maintain effective
transmission to broader financial markets. The modest upward pressure on the federal
funds rate and other money market rates experienced in recent months has been
countered by lowering IOER within the target range. To some extent, staff have been able
to anticipate sustained periods of upward pressure on the federal funds rate, allowing for
effective market and timely communication on the technical adjustment to IOER.
As reserves decline further, the federal funds rate and other money market rates
may continue to rise along a smooth and gradual path relative to IOER. Alternatively, as
rates rise above IOER, we may see different and less stable dynamics. In particular, there
is some risk that frictions in the mechanisms that redistribute liquidity in money markets
could create transitory volatility in interest rates as reserves decline. Moreover,
policymakers might want to allow the balance sheet to continue to run off even as signs
of money market pressures become more persistent, either in order to give banks an
1

Authors: Sam Schulhofer-Wohl, Zeynep Senyuz, and Patricia Zobel. We thank James Clouse, Thomas
Laubach, Lorie Logan, Simon Potter, Trevor Reeve, and Carolyn Shen for helpful comments.

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Authorized for public release by the FOMC Secretariat on 1/12/2024

incentive to further economize on their holdings of reserves or to clearly test the point of
reserve scarcity.
The first memo in the package, “Detecting and Approaching the Long-Run Level
of Reserves,” describes how money markets might evolve as reserves decline and how
staff will monitor conditions to detect when the system has reached the lowest level of
reserves consistent in the long-run with an efficient and effective regime of abundant
excess reserves. In particular, the memo describes how staff plan to distinguish between
temporary pressures, which might emerge as banks and market participants adjust to
lower levels of reserve supply, and more permanent pressures, which would indicate that
any further reduction in reserve supply would place the system on a steep part of the
demand curve for reserves. Distinguishing between these two types of pressures is
difficult. Nonetheless, staff outreach and analysis will help to identify the point at which
reserves would be scarce over the longer-run, so that policymakers can avoid stopping the
balance sheet runoff too early in response to transitional pressures, and can ultimately
decide between regimes of limited and abundant excess reserves with more certainty
about where the boundary between those regimes lies.
The first memo also considers steps policymakers might take to promote a smooth
transition to lower reserve levels. These steps could include, at the outset, conveying a
preference for a substantially lower reserve level in the long run, which would signal to
market participants a need to adjust their practices for a lower reserve environment. In
case the pace of decline in reserves proves to be faster than the pace at which market
participants can adjust, the Committee could also choose to slow the pace, or smooth the
path, of reserve decline to reduce potential rate volatility and provide more time for
market participants to adjust.
The second memo, “Interest Rate Control during the Transition to a Long-Run
Operating Regime,” reviews approaches that can be implemented to provide greater
assurance of effective rate control during the transition. For instance, should the spread
between market rates and IOER proceed along a gradual upward path, a strategy of
adjusting IOER lower in the target range may be adequate to keep the federal funds rate
from rising above the target range. The memo also considers potential enhancements to
this approach to guard against volatility in rates or allow for more visible testing of lower
reserve levels. The considered approaches include increasing the width of the target range
to allow more room for the target rate to rise above IOER, while maintaining appropriate
distance at the bottom of the range between IOER and the ON RRP rate, as well as
modifying discount window operations or open market operations with financial
institutions to help create a firmer ceiling on rates.

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Authorized for public release by the FOMC Secretariat on 1/12/2024

The strategy for maintaining rate control during the transition interacts in several
ways with the strategies described in the preceding memo for detecting stopping points
and for smoothing the transition. First, if policymakers choose to employ repos or other
operations with financial institutions to maintain rates within the target range, the scale
and persistence of their use could be an important indicator of whether the aggregate
level of reserves is at the minimum necessary for a regime of abundant excess reserves.
Second, if a tool is in place to ensure rate control in case of upward pressure on the
federal funds rate and other money market rates, it would be possible to attempt further
reductions in reserve demand and take a less conservative approach to deciding when to
stop reducing reserves. Third, to the extent that financial institutions appear to be
adjusting slowly to the decline in reserves, policymakers might need to weigh the costs of
slowing the balance sheet normalization process to provide more time for adjustment
against the costs of using other methods to maintain rate control while adjustment takes
place.
In case the demand for reserves proves surprisingly high, the third memo,
“Possibilities for Reducing the Long-Run Size of the Federal Reserve’s Balance Sheet,”
describes ways to reduce the size of the Federal Reserve’s liabilities or to reduce the
perceived drawbacks of maintaining a large balance sheet by putting the size of the
overall balance sheet in greater context for the public. The memo catalogs a variety of
options to achieve these goals. Importantly, many of the items are within the scope of the
Federal Reserve System’s responsibilities but do not fall under the purview of the
FOMC; the relevant governance bodies would ultimately need to consider the issues. The
memo also reviews the benefits provided by each of the Federal Reserve’s liabilities.
A different type of plan is described in the final memo on “SOMA Portfolio
Composition.” This memo describes options for the long-run composition of holdings in
the System Open Market Account and for transitioning to that target composition. Having
plans in place to return the portfolio to a historically normal composition could further
demonstrate the unwinding of crisis-era asset purchase programs and thus may have some
benefits for public acceptance of unconventional policy tools. The memo considers
potential principles guiding the ultimate composition of the Treasury portfolio, choices
about an active or passive reduction in MBS holdings and about the speed of adjustment
in the composition of Treasury holdings, as well as some macroeconomic implications of
these options.
Collectively, these memos highlight issues for consideration during the transition
to a system with lower reserve levels. In light of the potential paths of adjustment for
money markets, the Committee may wish to consider actions that will help smooth the
transition or increase confidence in monetary control. At some point, the Committee will
also need to consider how to react to emerging money market pressures – whether, or
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Authorized for public release by the FOMC Secretariat on 1/12/2024

under what circumstances, it would be preferable to allow greater money market
pressures and potentially encourage banks to economize on reserves, or instead to cease
reserve reductions when pressures emerge. Should reserve scarcity occur at a higher level
than desired, policymakers could investigate possible ways of further reducing liabilities
or changing their communications about the size of the balance sheet. In addition to these
considerations related to balance sheet size, the Committee may consider approaches to
normalizing the asset composition of the balance sheet.

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