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When Quantitative Tightening Is
Not Quantitative Tightening
James Bullard
President and CEO

2019 U.S. Monetary Policy Forum
The Future of the Federal Reserve’s Balance Sheet
Feb. 22, 2019
New York, N.Y.
Any opinions expressed here are my own and do not necessarily reflect those of the
Federal Open Market Committee.

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Introduction

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The quantitative tightening debate
• The Federal Open Market Committee (FOMC) has raised the policy rate
•
•
•
•

and simultaneously reduced the size of the Federal Reserve’s balance
sheet since late 2017.
Many have argued that the balance sheet reduction could operate in the
background with relatively small macroeconomic effects.
Others argue that balance sheet reduction should have equal and opposite
effects relative to balance sheet expansion (i.e., quantitative easing) and,
accordingly, that there may be relatively large macroeconomic effects.
This latter view has sometimes been called “quantitative tightening,” or
QT, in global financial markets.
Which view is more accurate?
3

The case for small effects from QT
• I will argue that the case for relatively small macroeconomic effects of
•

balance sheet reduction is more accurate.
My argument has three parts:

o A baseline neutrality theory suggests temporarily increasing the Fed’s

balance sheet size beyond the minimal level needed to implement monetary
policy has no macroeconomic effect at all when the policy rate is well above
the zero lower bound.

o While the policy rate was near zero, the Fed’s balance sheet policy

nevertheless had an important macroeconomic impact through a signaling
channel—bond purchases signaled “lower for longer.”

o With the policy rate now well above zero, this signaling channel is no

longer operative, and the baseline neutrality theory again applies.

4

Policy implications
• My argument suggests that it is indeed possible to view quantitative

•
•

easing as having an important influence on the macroeconomy, and
simultaneously view the macroeconomic effects of unwinding the
balance sheet as relatively minor.
This may be one reason why the FOMC’s balance sheet reduction policy
beginning in the fall of 2017 seemed to have only minor effects in
financial markets.
The balance sheet reduction has arguably been significant—the Fed has
been able to reduce reserve balances by about 40 percent from the peak.

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Baseline Neutrality

6

Quantitative easing
• The FOMC increased the size of the Fed’s balance sheet—often called
•
•
•

quantitative easing or QE—after the policy rate was lowered to near
zero.
Many have argued that QE had important beneficial effects in aiding the
economic recovery following the 2007-2009 recession.
The FOMC allowed the balance sheet to begin shrinking in nominal
terms in the second half of 2017.
The balance sheet was shrinking relative to the size of the economy well
before that.

7

The Fed’s balance sheet

Sources: Federal Reserve Board and author’s calculations. Last observation: January 2019.
8

The Fed’s balance sheet

Sources: Federal Reserve Board and author’s calculations. Last observation: January 2019.
9

A neutrality proposition
• Cúrdia and Woodford (2010) analyzed a standard New Keynesian model
•
•
•

with financial intermediation and bank reserves.*
They argued that in situations where financial markets are functioning
properly, temporarily expanding the level of reserves beyond the
satiation point for banks would have no direct effect on the economy.
This is one way to formulate a neutrality theorem for the size of the
Fed’s balance sheet in ordinary times.
We can take “ordinary times” to mean that the policy rate is well above
the zero (or effective) lower bound.

* V. Cúrdia and M. Woodford, “Conventional and Unconventional Monetary Policy,” Federal Reserve Bank of St. Louis
Review, July/August 2010, 229-64.
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Signaling

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Actual effects from QE
• The actual effects of QE appear to be far from neutral.*
• There are many ideas about why this may be so.
• One leading candidate theory is that QE did not have direct effects but
•

did send a credible signal about how long the FOMC intended to keep
the policy rate near zero.
The following chart from Bauer and Rudebusch (2014) shows one set of
estimates from the literature documenting important signaling effects
from QE.**

* See S. Bhattarai and C.J. Neely, “An Analysis of the Literature on International Unconventional Monetary Policy,”
Federal Reserve Bank of St. Louis Working Paper No. 2016-021C, October 2018.
** M.D. Bauer and G.D. Rudebusch, “The Signaling Channel for Federal Reserve Bond Purchases,” International Journal
of Central Banking, September 2014, 10(3), 233-90.
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Empirical signaling effects

Source: Bauer and Rudebusch (2010), 265, fig. 3.
Note: The figure illustrates the effect of QE announcements on forward rates. A sizable part of the effect is due to
expectations for future policy. Imposing no-arbitrage restrictions (right panel) delivers more precise estimates.
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QE is effective via signaling
• The signaling argument seems to work reasonably well if the policy rate
•
•

is near zero.
In that situation, the FOMC may wish to signal convincingly that it will
keep the policy rate near zero “for longer”—i.e., beyond the time that an
ordinary approach to monetary policy would call for rising rates.
QE may have been a good approach to accomplish this objective.

14

Signaling effects dissipate
• The FOMC has normalized the policy rate to a considerable extent
•
•
•

during 2017 and 2018.
Once the policy rate rose above the lower bound, balance sheet
movements no longer provided a valuable signal about the future
direction of monetary policy.
This means that the Cúrdia-Woodford neutrality theorem would again
apply and that the size of the balance sheet could be reduced without
important macroeconomic consequences.
Thus, the balance sheet reduction could occur “in the background.”

15

Asymmetric effects
• In summary, the financial and macroeconomic impact of the FOMC’s
•
•
•

balance sheet policy may well be asymmetric.
With the policy rate near zero, the effects of QE may have been
substantial due to signaling effects.
Now, with the policy rate well above zero, any signaling effects from
balance sheet changes have dissipated.
This means balance sheet shrinkage—“QT”—does not have equal and
opposite effects from QE. Indeed, one may view the effects of
unwinding the balance sheet as relatively minor.

16

Caveats

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Crosscurrents
• There are many theories of unconventional monetary policy, and I have
•

emphasized just one that may be important.
Nevertheless, this theory has some empirical support and seems to be
consistent with observed large impacts on financial markets from
unanticipated announcements of QE policy actions documented by
Bhattarai and Neely (2018), but also consistent with the seemingly small
observed impacts from unanticipated announcements of QT policy
actions during 2017.

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Conclusion

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Conclusion
• I have presented an argument for why we might expect asymmetric
•
•
•

effects of Fed balance sheet policy.
When the policy rate was near zero, the FOMC wished to signal “lower
for longer,” and QE provided a way to credibly provide that signal.
Once the policy rate moved well above the lower bound, the size of the
balance sheet no longer provided any signal for the future direction of
monetary policy.
This provides one rationale for why balance sheet policy may be less
important today than it was during the heyday of QE.

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