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The estimated macroeconomic effects of the Federal Reserve's large-scale Treasury purchase program

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This brief examines an issue of current importance to the conduct of U.S. economic policy: how has the Federal Open Market Committee (FOMC) plan to purchase up to $600 billion of Treasury securities by June 30, 2011 affected the movement of inflation, GDP, and employment to more desirable medium-term and long-term levels? Following the FOMC's announcement of the plan on November 3, 2010, other events that potentially influence Treasury yields have been at play. To estimate the effects that the FOMC Treasury purchases may have on the goal of achieving more desirable levels of inflation and employment, the authors make use of different models to gauge the likely effect upon interest rates, the interest rate effects on real spending (GDP), and how changes in GDP may be affecting the employment rate.
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No. 11-2
The Estimated Macroeconomic Effects of the
Federal Reserve’s Large-Scale Treasury Purchase Program
Jeffrey C. Fuhrer and Giovanni P. Olivei
Abstract:
This brief examines an issue of current importance to the conduct of U.S. economic policy: how
has the Federal Open Market Committee (FOMC) plan to purchase up to $600 billion of
Treasury securities by June 30, 2011 affected the movement of inflation, GDP, and employment
to more desirable medium-term and long-term levels? Following the FOMC’s announcement of
the plan on November 3, 2010, other events that potentially influence Treasury yields have been
at play. To estimate the effects that the FOMC Treasury purchases may have on the goal of
achieving more desirable levels of inflation and employment, the authors make use of different
models to gauge the likely effect upon interest rates, the interest rate effects on real spending
(GDP), and how changes in GDP may be affecting the employment rate.
JEL Codes: E52
Jeffrey C. Fuhrer is an executive vice president and senior policy advisor at the Federal Reserve Bank of
Boston. His e-mail address is
jeff.fuhrer@bos.frb.org
. Giovanni P. Olivei is a vice president at the Federal
Reserve Bank of Boston, where he oversees the research department’s macroeconomics and finance
section. His e-mail address is
giovanni.olivei@bos.frb.org.
This brief, which may be revised, is available on the web site of the Federal Reserve Bank of Boston at
http://www.bos.frb.org/economic/ppb/index.htm.
The views expressed in this brief are the authors’ and do not necessarily reflect the official position of the
Federal Reserve Bank of Boston or the Federal Reserve System.
This version: April 28, 2011
2
On November 3, 2010, the Federal Open Market Committee (FOMC) announced its intention to
purchase up to $600 billion of Treasury securities by the end of 2011:Q2a program subsequently dubbed
“QE2” by the media, signifying the second round of quantitative easing. In the weeks leading up to that date,
partly in response to comments by Chairman Bernanke at the Kansas City Fed’s Jackson Hole conference,
markets appeared to have priced in the potential effects of such a purchase program. Of course, the
magnitude and timing of the program could only be guessed in advance of the FOMC’s official
announcement, but market participants appear to have acted in a way that suggested the Fed’s purchases of
Treasury securities would lower medium- and long-term Treasury yields.
It remains controversial to determine what effects the program has had and will continue to have
going forward. This is a difficult question to answer, as the world hardly stood still following the FOMC’s
November announcement. At that time, a number of other events that plausibly could affect Treasury yields
were at play: expectations about U.S. growth were improving, discussions about longer-run fiscal plans were
underway, whether to extend the Bush tax cuts was under consideration, and foreign developments (such as
the possibility of European sovereign debt default) that might make U.S. Treasuries more attractive were still
swirling.
Because this confluence of events makes it difficult to clearly distinguish the effects of Fed actions
from other influences on financial markets, in this Brief we employ some simple models to estimate the effects
these purchases may have had on the macroeconomy. We stress that the estimates are subject to considerable
uncertainty, and this Brief provides some assessment of the extent of that uncertainty.
Nonetheless, gauging the effect of the Fed’s actions is critical, as the purpose of the program was to
support attaining the FOMC’s “dual mandate” to guide employment and inflation toward socially desirable
levels. The Committee needs to be able to gauge the effects of the large-scale Treasury purchase program in
order to assess the likely progress of employment and inflation towards their desirable levels, and therefore to
gauge whether its policy is taking an appropriate course.
We break the estimation of the effects of the large-scale Treasury purchase program into its
component parts
1
1. The effect of these purchases on Treasury and related interest rates;
:
2. The likely effect of such interest rates on real spending (GDP);
3. The likely effect of real spending changes on employment.
1
Macroeconomic Advisors provides a similar breakdown for their estimates and those of the Boston and San Francisco
Federal Reserve Banks. See “The Macro Effects of LSAPs II: A Comparison of Three Studies,” Monetary Policy
Insights Policy Focus, Feb. 7, 2011.
3
1. Estimates of the Purchases’ Effects on Interest Rates
For this Brief, we draw on estimates of the response of interest rates from other sources (see Gagnon
et al. (2010) and Hamilton and Wu (2011)). Clearly, estimating the response of yields to an exogenous
purchase is fraught with difficulty, as (a) such events happen only rarely, and (b) these rarely occur in
isolation, so that a multitude of potential influences on yields must be disentangled.
Thus the estimates are necessarily imprecise, but obtaining a ballpark magnitude for the effect of
such purchases is still of value. These estimates suggest that Treasury purchases of this magnitude are likely to
elicit a response of 20 to 30 basis points in the 10-year Treasury yield. Because we view this action as
“removing duration” from the marketsthat is, withdrawing a portion of the assets with relatively long
duration from private circulationother assets with similar risk and duration characteristics will also respond
to these purchases. The spending responses described in the next section will try to account for these
complementary movements in other interest rates.
2. Estimates of the Interest Rate Effects on Real Spending
Models differ in their estimates of the effect of a 1 percentage-point change in the long-term nominal
interest rate on real GDP. In Table 1, Panel A reports evidence from a vector autoregression on the impact
that a persistent 100 basis points decline in the 10-year Treasury yield has on GDP and some of its
components.
2
The Boston model provides more detail about the impact of the interest rate decline on the different
components of investment demand. For example, the estimated multiplier for residential investment is large,
though this component represents a relatively small portion of demand. It is interesting to note that the
contribution of net exports to GDP growth is negative. The decline in the 10-year Treasury rate depreciates
The only structure imposed on this exercise is that we assume that the decline in the Treasury
rate has a lagged effect on the real economy and on inflation. The table shows that after eight quarters, the
persistent 100 basis points decline in the long-term rate generates an increase in GDP of roughly 265 basis
points. Table 1 also shows that investment responds more strongly than consumption to the change in the
interest rate. Other evidence on the impact that a change in the 10-year Treasury yield has on the
macroeconomy can be obtained from models that articulate more clearly the ways in which the interest rate
decline works through the economy than does the simple and largely unstructured vector autoregression we
just discussed. An example is given in Table 1, Panel B which reports the interest rate effect on final demand
estimated from the Federal Reserve Bank of Boston’s model. The GDP multiplier is roughly 2.5—meaning
that each 1 percentage point decline in the 10-year Treasury rate results in a 2.5 percentage point increase in
the level of GDP. This model’s multiplier is similar to the one estimated with the vector autoregression.
2
The estimation period for this exercise is 1987:Q1 to 2007:Q4.
4
the dollar. But the effect of a depreciating dollar is more than offset by the higher demand for imports
brought about by the faster underlying pace of growth.
Other models of the U.S. economy have different estimates of the GDP multiplier. For example, the
Federal Reserve Board’s FRB/US model implies a higher multiplier, closer to 4.0. For the estimates provided
in this brief, summarized in Table 2, we simply average the multipliers implied by these alternative models, as
those estimates more-or-less span the range of estimates among models in current usage. This implies that a
decline in Treasury yields of 20-30 basis points tresulting from (the anticipation or the realization of) the
FOMC purchases can be expected to raise real GDP by 60-90 basis points. The Boston model suggests that it
takes about two years for this effect on GDP to take place.
3. Estimates of Spending Effects on the Unemployment Rate
Given the range of estimated effects on real spending (GDP), the translation to employment effects
is accomplished by use of an Okun’s Law relationship that links GDP growth and changes in the
unemployment rate. The typical relationship expressed in quarterly changes is summarized as:
Change in unemployment = -0.125 (GDP growth potential GDP growth).
GDP growth for one-quarter that exceeds potential GDP growth by 1 percentage point results in a one-
eighth (0.125) percentage point decline in the unemployment rate. Equivalently, quarterly growth in GDP that
exceeds potential growth by 1 percentage point for a year typically lowers the unemployment rate by about
one-half percentage point. Figure 1 displays the performance of an empirical Okun’s Law of this form over
the past 25-year period.
3
Combining this simple Okun’s Law with the estimated effects on GDP discussed in the preceding
section implies a decline in the unemployment rate of 30-45 basis points over the 2-year period it takes for
the spending rate change to feed through the economy. With the U.S. labor force currently at just over 150
million people, this translates to an increase of about 700,000 jobs, a figure quoted by Boston Fed President
Eric Rosengren in his speech of November 17, 2010. Table 2 summarizes the computations discussed in this
Brief.
Despite the extreme simplicity of this version of Okun’s Law, the figure suggests the
strong correlation between changes in the unemployment rate and GDP growth.
3
The chart is created by comparing the actual four-quarter change in unemployment to the predicted change, computed
as -0.5 times the four-quarter average deviation of GDP growth from an assumed fixed potential growth rate of 2.5
percent. Of course, the empirical implementations of Okun’s Law used by the Boston Fed and many other models are
more nuanced than this simple model.
5
References
Joseph Gagnon, Matthew Raskin, Julie Remache, and Brian Sack, “Large-Scale Asset Purchases by the
Federal Reserve: Did They Work?” Federal Reserve Bank of New York Staff Report No. 441, March 2010.
Available at
http://www.ny.frb.org/research/staff_reports/sr441.html.
James Hamilton and Jing Wu, “The Effectiveness of Alternative Monetary Policy Tools in a Zero Lower
Bound Environment,” University of California, San Diego Working Paper, April 2011.
Available at http://dss.ucsd.edu/~jhamilto/zlb.pdf.
Eric Rosengren, “Five Questions About Current Monetary Policy,” Speech to the Greater Providence
Chamber of Commerce. Available at
http://www.bostonfed.org/news/speeches/rosengren/2010/111710/111710.pdf.
6
Table 1
10-year Treasury Rate Lowered by 100 Basis Points
A. Vector Autoregression, 1987:Q1 to 2007:Q4
Q1
Q2
Q3
Q4
Q6
Q7
Q8
GDP
0.00
0.13
0.46
0.64
1.47
2.03
2.63
Private Consumption Expenditures
0.00
0.09
0.56
0.63
1.50
2.03
2.69
Investment
0.00
0.39
1.34
1.21
2.75
3.35
4.29
10-yr Treasury Rate
-1.00
-1.00
-1.00
-1.00
-1.00
-1.00
-1.00
B. Federal Reserve Bank of Boston Model
Q1
Q2
Q3
Q4
Q6
Q7
Q8
GDP
0.05
0.48
0.72
1.08
1.82
2.21
2.50
Private Consumption Expenditures
0.00
0.38
0.59
0.82
1.38
1.69
1.97
Residential Investment
0.09
3.21
5.67
7.84
11.72
13.38
14.37
Investment in Equipment and Software
0.00
1.09
2.53
3.91
7.54
9.45
11.10
Investment in Nonresidential Structures
0.00
1.41
1.34
2.31
5.82
7.79
9.84
Net Exports (contribution to GDP growth)
0.05
0.03
-0.04
-0.02
-0.16
-0.25
-0.38
10-yr Treasury Rate
-1.00
-1.00
-1.00
-1.00
-1.00
-1.00
-1.00
Note: Data are percent change from baseline, with the exception of the 10-yr Treasury rate, which is a simple change from baseline
7
Table 2
Breakdown of estimated effects of $600B Treasury purchases
Component
Effect
Implication
Effect of
purchases on
interest rates
20-30 basis points
Treasury and related yields
reduced by this amount
Effect of interest
rates on
spending (GDP)
2 to 4 times rate
changes
Real GDP about 40-120
basis points higher after 1-2
years. We use 75-80 bps as a
reasonable compromise.
Effect of
spending
increase on
unemployment
0.5 times spending
change
Unemployment rate about
0.3 to 0.4 ppt lower after 2
years
Employment
effect
With a labor force of
about 153 million
Implies an additional
700,000 jobs
8
-2.0
-1.0
0.0
1.0
2.0
3.0
4.0
5.0
-2.0
-1.0
0.0
1.0
2.0
3.0
4.0
5.0
1985:Q1 1988:Q1 1991:Q1 1994:Q1 1997:Q1 2000:Q1 2003:Q1 2006:Q1 2009:Q1
Figure 1
Predictions of an Okun's Law rule of thumb
Four-quarter change in unemployment
Predicted change in unemployment
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Five Questions About Current Monetary Policy Speech to the Greater Providence Chamber of Commerce Available at http://www.bostonfed.org/news/speeches/rosengren
  • Eric Rosengren
Eric Rosengren, " Five Questions About Current Monetary Policy, " Speech to the Greater Providence Chamber of Commerce. Available at http://www.bostonfed.org/news/speeches/rosengren/2010/111710/111710.pdf. -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0
Speech to the Greater Providence Chamber of Commerce
  • Eric Rosengren
Eric Rosengren, "Five Questions About Current Monetary Policy," Speech to the Greater Providence Chamber of Commerce. Available at http://www.bostonfed.org/news/speeches/rosengren/2010/111710/111710.pdf.