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The Federal Reserve Is Not Very Constrained by the Lower Bound on
Nominal Interest Rates Eric T. Swanson University of California, Irvine Symposium on Monetary Policy at the Effective Lower Bound Brookings Institution Sept. 14, 2018
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Outline of Talk The Federal Reserve Is Not Very Constrained by the ZLB/ELB Fed Has Additional Monetary Policy Tools Available Throughout , Fed Was Never Very Constrained by the ZLB Risks of Fed Being Constrained by the ELB in the Future Are Typically Overstated
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Outline of Talk The Federal Reserve Is Not Very Constrained by the ZLB/ELB: Fed Has Additional Monetary Policy Tools Available Throughout , Fed Was Never Very Constrained by the ZLB Risks of Fed Being Constrained by the ELB in the Future Are Typically Overstated
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Forward Guidance: Theory
New Keynesian IS Curve: π¦ π‘ = πΈ π‘ π¦ π‘+1 β πΌ π π‘ + π π‘ = βπΌ πΈ π‘ π=0 β π π‘+π + π π‘ π=0 β π π‘+π Thus, the ZLB is not a substantial constraint on monetary policy if the central bank can credibly commit to keeping interest rates low in the future: Reifschneider-Williams (2000) Eggertsson-Woodford (2003)
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Forward Guidance: Empirical Evidence
Gurkaynak, Sack, and Swanson (2005) estimated effects of forward guidance (aka βpath factorβ) on yield curve: See also: Brand, Buncic, Turunen (2010), DβAmico-Farka (2011), Campbell et al. (2012), Leombroni et al. (2017), Swanson (2018)
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LSAPs: Survey of Empirical Estimates
source: Williams (2013)
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FG and LSAPs vs. Conventional Monetary Policy
Swanson (2018) Builds on Gurkaynak, Sack, and Swanson (2005) to separately identify effects of federal funds rate, forward guidance, and LSAPs for every FOMC announcement from 1991β2015
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Evidence LSAPs Also Affect Real Lending
Rodnyansky and Darmouni (2017) Show via diff-in-diff that U.S. banks that owned more MBS increased business lending in response to Fedβs LSAPs Di Maggio, Kermani, and Palmer (2016) Analyze loan-level mortgage originations in the U.S. during Fedβs LSAP operations Show via diff-in-diff that conforming mortgage originations increased, primarily when Fed purchased MBS Koetter, Podlich, and Wedow (2017) Analyze bank-level, security-by-security data in Germany during the ECBβs SMP operations Show via diff-in-diff that German banks with SMP-eligible securities increased lending
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Persistence of LSAP Effects
Greenlaw, Hamilton, Harris, and West (2018) argue that high- frequency effects of LSAPs didnβt persist and/or were partially reversed after impact But: Many lower-frequency estimates of LSAP effects are very similar to high-frequency estimates Substantial evidence LSAPs affected quarterly lending Swanson (2018) explicitly studies persistence of high- frequency LSAP effects finds they were completely persistent except for March 2009 βQE1β announcement
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Persistence of LSAP Effects
source: Swanson (2018)
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Outline of Talk The Federal Reserve Is Not Very Constrained by the ZLB/ELB Fed Has Additional Monetary Policy Tools Available Throughout , Fed Was Never Very Constrained by the ZLB Risks of Fed Being Constrained by the ELB in the Future Are Typically Overstated
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2-Year Treasury Yield Was Not Very Constrained
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Swanson-Williams (2014) Estimate daily-frequency regressions of the form Ξ΄ = 1 corresponds to normal sensitivity to news Ξ΄ = 0 corresponds to complete insensitivity to news intermediate values of Ξ΄ represent partial sensitivity
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Swanson-Williams: 5-Yr Treasury Sensitivity
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Swanson-Williams: 2-Yr Treasury Sensitivity
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Carvalho-Hsu-Nechio (2016)
Estimate effects of FOMC communication on different Treasury yields over time using textual analysis Get similar results to Swanson-Williams (2014)
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Carvalho-Hsu-Nechio: 2-Yr Treasury Sensitivity
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VAR Evidence: No Structural Break around 2008
Wu and Xia (2016) Replace federal funds rate with a shadow federal funds rate in a standard VAR Find no evidence of a structural break around 2008 Debortoli, Gali, and Gambetti (2018) Estimate a simple VAR with time-varying parameters Show that IRFs to technology shocks, demand shocks in the pre-ZLB vs. ZLB periods are virtually the same Both papers interpret lack of a structural break as evidence that forward guidance and LSAPs were close substitutes for changes in the federal funds rate during the ZLB.
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Sectoral Evidence Skaperdas (2017)
Compares interest-rate-sensitive vs. non-interest-rate- sensitive sectors Interest-sensitive sectors performed about as well relative to non-interest-sensitive sectors after 2009 as after previous recessions Suggests again that forward guidance and LSAPs were close substitutes for changes in the federal funds rate during the ZLB
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Outline of Talk The Federal Reserve Is Not Very Constrained by the ZLB/ELB Fed Has Additional Monetary Policy Tools Available Throughout , Fed Was Never Very Constrained by the ZLB Risks of Fed Being Constrained by the ELB in the Future Are Typically Overstated
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Negative Interest Rates: Switzerland
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Negative Interest Rates: Sweden
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Negative Interest Rates: ECB
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Risks of Hitting the ELB in the Future
The ELB is substantially below zero (β0.75 or β1 percent, based on evidence from Europe) For the ELB to be a significant constraint, it must bind for several quarters: Intuitively, π¦ π‘ = βπΌ πΈ π‘ π=0 β π π‘+π + π π‘ According to Christiano, Eichenbaum, and Rebelo (2011), the ELB must bind for 8 quarters or more for the effects to be economically significant
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Risks of Hitting the ELB in the Future
The ELB is substantially below zero (β0.75 or β1 percent, based on evidence from Europe) For the ELB to be a significant constraint, it must bind for several quarters (8 quarters or more, according to CER) Thus, risks of the Fed facing a significant ELB constraint on the federal funds rate in the future are much lower than typical calculations (e.g., Kiley-Roberts 2017) Moreover, even when the federal funds rate is significantly constrained by the ELB, the Fed still can use forward guidance and LSAPs.
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Conclusions The Federal Reserve Is Not Very Constrained by the ZLB/ELB
Fed Has Additional Monetary Policy Tools Available Throughout , Fed Was Never Very Constrained by the ZLB Risks of Fed Being Constrained by the ELB in the Future Are Typically Overstated (But there are some caveatsβ¦)
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Conclusions The Federal Reserve Is Not Very Constrained by the ZLB/ELB
Fed Has Additional Monetary Policy Tools Available Throughout , Fed Was Never Very Constrained by the ZLB Risks of Fed Being Constrained by the ELB in the Future Are Typically Overstated (But there are some caveatsβ¦)
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Caveat #1: Limits to Forward Guidance
In a very severe ELB scenario, effectiveness of forward guidance will be reduced However, even in that scenario, LSAPs are still available
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Caveat #2: Political Constraints
LSAPs: Substantial evidence LSAPs lower interest rates and increase bank lending, mortgage originations But LSAPs seem to be poorly understood by the public, evoke strong negative feelings Rick Perry: βalmost treasonousβ Negative Interest Rates: Evidence from Europe, central banks, academics is cautiously optimistic But negative interest rates are vehemently opposed by banks, Wall Street John Cryan, Deutsch Bank CEO: βfatal consequencesβ Mohamed El-Erian, Allianz: βan insane experimentβ Bill Gross, Janus Capital: βcapitalismβ¦ cannot functionβ
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Conclusions The Federal Reserve Is Not Very Constrained by the ZLB/ELB
Fed Has Additional Monetary Policy Tools Available Throughout , Fed Was Never Very Constrained by the ZLB Risks of Fed Being Constrained by the ELB in the Future Are Typically Overstated (But there are some caveatsβ¦)
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