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EMBARGOED UNTIL FRIDAY, JANUARY 12, 2018, AT 4:15 P.M. ET, AND 1:15 P.M. PT; OR UPON DELIVERY

Considering Alternative
Monetary Policy Frameworks:
An Inflation Range with an
Adjustable Inflation Target
Eric S. Rosengren
President & CEO
Federal Reserve Bank of Boston
January 12, 2018

Global Interdependence Center Conference on
Money, Models, and Digital Innovation
Hosted by Rady School of Management
University of California San Diego
San Diego, California
bostonfed.org

Recent Economic Performance
▶ Economy has continued to improve and
exceed forecaster expectations
▶ Unemployment rate is 4.1 percent
▶ Real GDP growth is above potential
▶ Inflation has been subdued

▶ Low inflation has allowed monetary policy to
remove accommodation slowly despite the
strong economy
▶ Asset prices have been growing strongly

2

Money and Models – Forecast Errors
▶ Forecast errors – or “misses” – have received
attention
▶ At the December 2016 FOMC meeting, the
median SEP forecast for the fourth quarter of
2017 was:
▶ Unemployment rate at 4.5 percent
▶ Core PCE inflation rate at 1.8 percent

▶ Fed’s inflation forecast misses have not been
particularly large, in historical context
▶ Inflation forecast errors – have not been
particularly consistent or persistent
▶ If they were persistent, the possibility of structural
changes should be considered more seriously
3

Low and Fixed Inflation Targets are a
Potential Problem
▶ Low real and nominal interest rates are likely, if:
▶ Low productivity growth
▶ Low equilibrium interest rate
▶ Slowly growing and aging workforce

▶ Implications:
▶ Low nominal interest rates, on average
▶ Monetary policy tools less effective – with low
starting policy rate, little room to offset the effects
of recession
▶ Very low interest rates, hitting lower bound, are
likely in most recessions
▶ Prolonged low interest rate environment can give
rise to financial stability concerns
4

Alternatives to Achieve Monetary
Policy Buffer
▶ Policymakers should start studying and
discussing alternative frameworks to avoid the
aforementioned challenges of a prolonged low
interest rate environment
▶ Some alternatives:
▶
▶
▶
▶

Higher inflation target
Price-level targeting
Nominal GDP targeting
Inflation range with an adjustable inflation target

5

One Alternative: Inflation Range with
an Adjustable Inflation Target
▶ Optimal inflation rate is not likely to remain
constant over time – dependent on economic
fundamentals that change such as productivity
and labor force growth
▶ First component: A range of inflation rates that
we would find acceptable across many
economic circumstances (1.5 – 3.0 percent)
▶ Second component: A medium-term goal
within that range that we would set, perhaps
year by year, depending on specific economic
circumstances

6

Allows Some Flexibility in the
Inflation Target
▶ Allows response to changes in economic
fundamentals
▶ Treats the Fed’s inflation goal more like the
natural rate of unemployment (which can shift
over time with demographic and other changes)
▶ Such flexibility would have costs – e.g., more
uncertainty about inflation
▶ Depends on how long productivity and demographic
trends would persist
▶ But, if range was 1.5 to 3.0 percent, and inflation
remained mostly in that range, it would be similar to
actual historical experience over the past 20 years

7

Figure 1: PCE Inflation: SEP Median Projection and
Confidence Interval Based on Historical Forecast Errors
Actual, 2012 - 2017 and Projection, 2018 - 2020

4

Percent

4
70% Confidence Interval
Median of Projections

3

3

PCE Inflation (Actual)

2

2

1

1

0

0
2012

2013

2014

2015

2016

2017

2018

2019

2020

Note: PCE inflation (actual values) and SEP median projected values are for the percent change in the PCE Index from the previous
fourth quarter to the fourth quarter of the year specified. The figure for the fourth quarter of 2017 is estimated using the average of
Oct and Nov (1.68%).
Source: FOMC, Summary of Economic Projections (SEP) and Meeting Minutes, December 13, 2017; BEA

8

Figure 2: Forecast Errors (Actual – Forecast) for
One-Year-Ahead Core PCE Inflation Forecasts
2008:Q4 - 2017:Q4

1.0

Percentage Points
Survey of Professional Forecasters
Summary of Economic Projections

0.5

0.0

-0.5
2008:Q4

2010:Q4

2012:Q4

2014:Q4

2016:Q4

Note: Core PCE inflation is measured as the percent change in the Core PCE Index from the previous fourth quarter to the fourth
quarter of the year specified. The figure for the fourth quarter of 2017 is estimated using the average of Oct and Nov (1.46%).
Source: FOMC, Summary of Economic Projections (SEP); Federal Reserve Bank of Philadelphia, Survey of Professional
Forecasters; BEA; Haver Analytics

9

Figure 3: Forecast Errors (Actual – Forecast) for
One-Year-Ahead Unemployment Rate Forecasts
2008:Q4 - 2017:Q4

3.0

Percentage Points
Survey of Professional Forecasters
Summary of Economic Projections

1.5

0.0

-1.5
2008:Q4

2010:Q4

2012:Q4

2014:Q4

2016:Q4

Note: The unemployment rates are the fourth-quarter averages for each year.
Source: FOMC, Summary of Economic Projections (SEP); Federal Reserve Bank of Philadelphia, Survey of Professional
Forecasters; BLS; Haver Analytics

10

Current Forecast Errors
▶ Inflation forecast errors do not seem to be
particularly noteworthy
▶ In contrast, persistent forecasts that
unemployment will not fall as much as it has
should give policymakers pause
▶ Unemployment at 4.1 percent and likely to fall
further
▶ Already below most estimates of sustainable
long-run rate
▷ Median SEP forecast of unemployment rate likely in
the longer run is 4.6 percent

11

FOMC Statement on Longer-Run
Goals and Monetary Policy Strategy
▶ Details tactical approach to achieve both
stable prices and maximum sustainable
employment – the Fed’s dual mandate
▶ Defines the inflation goal as being a 2 percent
PCE inflation target
▶ Employment mandate does not have a numerical
target because the natural rate of unemployment
is primarily determined by non-monetary factors,
must be inferred, and moves over time

▶ Describes a balanced approach – equal policy
attention to deviations of employment from an
estimate of full employment, and to deviations
of inflation from its 2 percent target
12

Current Monetary Policy Framework
▶ Two percent inflation target was quite similar
to the target set by most other central banks in
developed economies
▶ Viewed as consistent with price stability
▶ Although much of the research preceded the
Great Recession, and assumed:
▶ Interest rates were unlikely to reach the effective
lower bound
▶ If they did, expected duration at near-zero interest
rates would be measured in quarters, not years

13

Recent Experience
▶ Prolonged low interest rate environments in the U.S.,
Japan, and Europe
▶ Difficult to conduct counter-cyclical monetary policy with
short-term rates
▶ Potentially undermine financial stability as firms and
households “reach for yield” in the face of low interest rates

▶ Size of Great Recession shock, and changing
economic fundamentals, make prolonged low interest
rates likely in future recessions and increase the
likelihood of nontraditional methods like asset
purchases given the effective lower bound
▶ Aging population and slow labor force growth
▶ Slow productivity growth
▶ Low real rate environment
14

Figure 4: Forecasts for the Longer-Run Federal Funds
Rate from the Summary of Economic Projections
January 2012 - December 2017

5

Percent

4

3
Central Tendency
Median Federal Funds Target Rate
2
Jan-2012 Dec-2012 Dec-2013 Dec-2014 Dec-2015 Dec-2016 Dec-2017
Date of Forecast

Note: The central tendency excludes the three highest and three lowest observations.
Source: FOMC, Summary of Economic Projections (SEP)

15

Figure 5: Productivity Growth: Change in Real
Output Per Hour, Nonfarm Business Sector, All
Persons, 20-Quarter Moving Average
1960:Q1 - 2017:Q3
5.0

Quarterly Percent Change at Annual Rate

4.0

3.0

2.0

1.0

0.0
1960:Q1

1970:Q1

1980:Q1

1990:Q1

2000:Q1

2010:Q1

Recession

Source: BLS, NBER, Haver Analytics

16

Figure 6: Civilian Labor Force Growth by Decade
1960:Q1 - 2017:Q4

3

Percent

2

1

0
1960s

1970s

Source: BLS, Haver Analytics

1980s

1990s

2000s

2010-2017

17

Potential Alternative – Inflation Range
with an Adjustable Inflation Target
▶ Potentially make inflation a target that could vary over
time (like the natural unemployment rate)
▶ Possibly maintain an inflation range of 1.5 to 3.0 percent
▶ A relatively narrow band consistent with actual experience
and thus unlikely to impact inflation expectations

▶ Then the FOMC could vary its medium-term inflation
target to be high, low, or in the middle of the range
depending on economic factors determined at the
beginning of each year
▶ For example, with low population growth and low
productivity growth, policy could move even more gradually
to remove accommodation, and allow inflation to be
somewhat higher in its range
▶ If changes in productivity and labor force growth were
infrequent, the target would be stable but at a level more
consistent with avoiding prolonged low interest rates
18

Concluding Observations
▶ Recent forecast errors of inflation and
unemployment have not been particularly
large
▶ Current path of gradual increases in the
federal funds rate is appropriate
▶ A more significant longer-run matter, from my
perspective, is the opportunity for the Federal
Reserve’s current monetary policy framework
to adapt to the recent experience with
prolonged low real interest rates

19

Concluding Observations (continued)
▶ Goal – Appropriate Monetary Policy “Buffer”
▶ Avoid long periods where traditional monetary
policy cannot be used because the effective lower
bound is reached
▶ Avoid financial stability risks associated with
prolonged low interest rates
▶ Variety of approaches worth considering,
including price-level targeting and nominal GDP
targeting
▶ An inflation range with an adjustable inflation
target is an alternative worth considering

20