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St. Louis Fed's Bullard Addresses Issues Facing Near-Term
Monetary Policy; Warns Against Over-Emphasis on Output Gap to
Gauge In ation Risks
10/11/2009
ST. LOUIS—During a speech Sunday at the 51st annual meeting of the National
Association for Business Economics, St. Louis Fed President James Bullard rea rmed
the need for a Taylor-type policy rule for the Federal Reserve’s asset purchase program.
Such a rule would help communicate how asset purchases may be adjusted as
economic conditions change, while remaining consistent with the Fed’s goals of
ensuring price stability and sustainable economic growth, he said.
Bullard also expressed concern that in ation risks in the medium term may be higher
than widely believed. He said that too much emphasis is being given to the idea that the
recession implies that the output gap is currently quite large, minimizing the risk of
in ation.
He also proposed a different framework for how U.S. monetary policy could be
implemented in the future using interest on reserves held at the Fed. A similar structure
is already in place at several other central banks.
Bullard’s presentation, “Three Issues for Near-Term Monetary Policy,” is available online.

MONETARY POLICY
On current monetary policy, “the key issue is how to think about the asset purchase
program,” Bullard said. “Liquidity programs are shrinking, but the asset purchase
program is only partially complete.”
He added that while the asset purchase program is considered a successful tool for
quantitative easing, it has also caused a large and persistent increase in the monetary
base. “This may lead to in ation in the medium-term, depending on markets’
expectations of monetary policy going forward,” Bullard said.
Prior to December 2008, the Fed communicated its monetary policy via adjustments in
interest rates. However, with nominal interest rates currently near zero, the likely path of
the Fed’s monetary policy is now unclear to nancial markets.
“Good policy means that the Fed needs to communicate to the private sector how it
intends to react to shocks in the future,” Bullard said. “There has been little indication of
how or whether these [asset purchase] amounts might be adjusted given incoming

information on economic performance. This lack of clarity has created uncertainty in
nancial markets.”
Bullard called for the development of a quantitative rule for monetary policy in the
current environment. “We have spent 20 years re ning ideas about interest rate rules
and optimal monetary policy,” Bullard said. “We should now consider quantitative rules
because we are at the zero bound, and may remain there for some time depending on
how the economy performs.”

FUTURE IMPLEMENTATION OF MONETARY POLICY
Going forward, Bullard said the Fed’s ability to pay interest on reserves—an authority
granted to the central bank in the fall of 2008—could serve as a new tool in the
implementation of monetary policy in the U.S. He pointed out that many other central
banks around the world operate with three rates:
an interest rate paid on deposits at the central bank,
a lending rate for loans from the central bank and
a policy rate that lies between the two.
“The Fed could implement monetary policy differently,” he said. “It could implement the
lending and deposit rates via standing facilities. The stance of policy would then
depend on all three rates, although they might often be adjusted together.”

THE OUTPUT GAP
Bullard also cautioned that policymakers should not place too much emphasis on
output gap estimates when trying to assess in ation risks in the medium-term.
“I am concerned about a popular narrative in use today—the narrative being that the
output gap must be large since the recession is so severe,” he said. “And so, any
medium-term in ation threat is negligible, even in the face of extraordinarily
accommodative monetary policy. I think this narrative overplays the output gap story.”
He added that measuring the gap is very di cult, both theoretically and practically. He
cited research that shows much of the in ationary run-up in the 1970s can be
attributed to a misreading of the output gap at the time.
“Even if economists were to accept a particular measure, the empirical relationship with
in ation is not robust,” he said. In addition, traditional output gap measures do not
account for the concept of bubbles.
“It has been popular to describe recent events as a collapse of a bubble in housing. A
look at the housing data makes a convincing case,” Bullard said. “But when it comes to
calculating traditional output gaps, there is no notion of a bubble. If part or most of the
fall in output was a collapsed bubble, then today’s output gap would be smaller than it
appears.” This would mean that in ation risks in the medium term are higher than
otherwise thought.
###
With branches in Little Rock, Louisville and Memphis, the Federal Reserve Bank of St.
Louis serves the Eighth Federal Reserve District, which includes all of Arkansas, eastern
Missouri, southern Indiana, southern Illinois, western Kentucky, western Tennessee and
northern Mississippi. The St. Louis Fed is one of 12 regional Reserve banks that, along
with the Board of Governors in Washington, D.C., comprise the Federal Reserve System.
As the nation's central bank, the Federal Reserve System formulates U.S. monetary
policy, regulates state-chartered member banks and bank holding companies, provides
payment services to nancial institutions and the U.S. government, and promotes
community development and nancial education.

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