The Great Escape?€¦ · The Great Escape? A Quantitative Evaluation of the Fed’s Non-Standard...
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The Great Escape?
A Quantitative Evaluation of the Fed’s Non-Standard Policies
Marco Del Negro, Andrea FerreroGauti Eggertsson, Nobuhiro Kiyotaki
Federal Reserve Bank of New York and Princeton University
ESSIM, Tarragona (Bank of Spain); May 25, 2010
Disclaimer: The views expressed are mine and do not necessarily reflect those of the FederalReserve Bank of New York or the Federal Reserve System
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The Fed’s Response to a Black Swan
Oct07 Jan08 Apr08 Jul08 Oct08 Jan09 Apr090
0.5
1
1.5
2
2.5
Months
Trill
ions
of $
Source: Board of Governors of the Federal Reserve System, Release H.4.1
OtherTreasury SecuritiesCurrency SwapsPrimary CreditTAFReposPDCF and Other Broker−Dealer CreditOther Credit (includes AIG)Maiden Lane I,II & IIIAMLFCPFFTALFAgency DebtAgency MBS
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Questions
• We incorporate the financial friction proposed by Kiyotaki andMoore (2008) – differences in liquidity across assets – into a DSGEmodel with standard real and nominal rigidities and ask:
1 Can a KM-type liquidity shock quantitatively generate thecrisis?
• Large response of both macro and financial variables.
2 What is the quantitative effect of unconventional monetarypolicy in such a setting?
• In an environment where standard monetary policy nolonger works (the “great escape” from the liquidity trap)
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Questions
• We incorporate the financial friction proposed by Kiyotaki andMoore (2008) – differences in liquidity across assets – into a DSGEmodel with standard real and nominal rigidities and ask:
1 Can a KM-type liquidity shock quantitatively generate thecrisis?
• Large response of both macro and financial variables.
2 What is the quantitative effect of unconventional monetarypolicy in such a setting?
• In an environment where standard monetary policy nolonger works (the “great escape” from the liquidity trap)
Del Negro, Ferrero, Eggertsson, Kiyotaki The Great Escape
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KM Model – The Actors
1 Entrepreneurs =
{SavingInvesting
kt+1 =
{λkt + it with probability κλkt with probability 1− κ
2 Intermediate firms
3 Final good producing firms
4 Capital producing firms
5 Workers
6 Government
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Entrepreneurs & Frictions
• Balance sheet:
Assets Liabilities
real bonds lt+1own equity
issuedqtn
It+1
nominal bonds bt+1/Pt
equity ofother entrepreneurs qtn
Ot+1
capital stock qtkt+1 net worthqtnt+1
+lt+1 + bt+1/Pt
where nt ≡ nOt + (kt − nIt).
• Income: rkt nt
• Constraint:
nt+1 ≥ (1− φt)λnt +
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Entrepreneurs & Frictions
• Balance sheet:
Assets Liabilities
real bonds lt+1own equity
issuedqtn
It+1
nominal bonds bt+1/Pt
equity ofother entrepreneurs qtn
Ot+1
capital stock qtkt+1 net worthqtnt+1
+lt+1 + bt+1/Pt
where nt ≡ nOt + (kt − nIt).
• Income: rkt nt
• Constraint:
nt+1 ≥ (1− φt)λnt + (1− θ)it
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Entrepreneurs & Frictions
• Balance sheet:
Assets Liabilities
real bonds lt+1own equity
issuedqtn
It+1
nominal bonds bt+1/Pt
equity ofother entrepreneurs qtn
Ot+1
capital stock qtkt+1 net worthqtnt+1
+lt+1 + bt+1/Pt
where nt ≡ nOt + (kt − nIt).• Income: rkt nt
• Constraint:
nt+1 ≥ (1− φt)λnt + (1− θ)it︸ ︷︷ ︸BorrowingConstraint
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Entrepreneurs & Frictions
• Balance sheet:
Assets Liabilities
real bonds lt+1own equity
issuedqtn
It+1
nominal bonds bt+1/Pt
equity ofother entrepreneurs qtn
Ot+1
capital stock qtkt+1 net worthqtnt+1
+lt+1 + bt+1/Pt
where nt ≡ nOt + (kt − nIt).• Income: rkt nt
• Constraint:
nt+1 ≥ (1− φt)λnt︸ ︷︷ ︸ResaleabilityConstraint
+ (1− θ)it
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Entrepreneur’s problem
Max{cs ,is ,ns+1,ls+1}∞t IE t
∞∑s=t
βs−t log(cs)
subject to
nt+1 − (1− φt)λnt ≥ (1− θ)it
ct + pIt it + qt(nt+1 − it) + lt+1 +bt+1
Pt= (rkt + λ)nt + rt−1lt +
Rt−1btPt
lt+1 ≥ 0, bt+1 ≥ 0
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Entrepreneur’s problem – Saver
Max{cs ,is ,ns+1,ls+1}∞t IE t
∞∑s=t
βs−t log(cs)
subject to
nt+1 − (1− φt)λnt ≥ (1− θ)it ← not binding
⇓
ct + qtnt+1 + lt+1 +bt+1
Pt= (rkt + qtλ)nt + rt−1lt +
Rt−1btPt
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Entrepreneur’s problem – Investor
Max{cs ,is ,ns+1,ls+1}∞t IE t
∞∑s=t
βs−t log(cs)
subject to
nt+1 − (1− φt)λnt ≥ (1− θ)it ← binding
⇓
ct+qRt nt+1+lt+1+bt+1
Pt≤ [rkt +( φtqt + (1− φt)qRt )λ]nt+rt−1lt+
Rt−1btPt
where
qt > 1 > qRt =pIt − θqt
1− θ
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Key equilibrium conditions
(1− κ)IE t [1
cst+1
rkt+1 + qt+1λqt ] + κIE t [
1c it+1
rkt+1 + ((1− φt+1)qRt+1 + φt+1qt+1)λqt ]
=
(1− κ)IE t [1
cst+1rt ] + κIE t [
1c it+1
rt ]
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Key equilibrium conditions
(1− κ)IE t [1
cst+1
rkt+1 + qt+1λqt ] + κIE t [
1c it+1
rkt+1 + ((1− φt+1)qRt+1 + φt+1qt+1)λqt ]
=
(1− κ)IE t [1
cst+1rt ] + κIE t [
1c it+1
rt ]
(pIt −qtθt)It = β( κrt−1Lt + (rkt +qtφtλ)κKt )− (1−β)(1−φt)qRt λκKt
rkt Kt = It [1 + S( ItI∗
)] + τt
+ (1− β){rt−1Lt + [rkt + (1− κ + κφt)qtλ+ κ(1− φt)qRt λ]Kt
}︸ ︷︷ ︸consumption
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Key equilibrium conditions
(1− κ)IE t [1
cst+1
rkt+1 + qt+1λqt ] + κIE t [
1c it+1
rkt+1 + ((1− φt+1)qRt+1 + φt+1qt+1)λqt ]
=
(1− κ)IE t [1
cst+1rt ] + κIE t [
1c it+1
rt ]
(pIt − qtθt)It = β( κrt−1Lt+ (rkt + qtφtλ)κ(Kt − Ng
t ) )− (1− β)(1− φt)qRt λκ(Kt − Ngt )
rkt Kt = It [1 + S( ItI∗
)] + τt
+ (1− β){rt−1Lt + [rkt + (1− κ + κφt)qtλ+ κ(1− φt)qRt λ](Kt − Ng
t )}︸ ︷︷ ︸
consumption
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Government
• Taylor rule:Rt = R∗ (πt/π∗)
ψ1
• The government budget constraint is:
Lt+1 − rt−1Lt +Bt+1 − Rt−1Bt
Pt= τt ,
• In absence of intervention: Lt+1 = L∗, Bt+1 = 0.
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Unconventional monetary policy
• Intervention rules:
Ngt = K∗ξ(
φtφ∗− 1).
qt (Ngt − Ng
t ) = Lt − Lt .
• The government budget constraint:
τt = (rt + qtλ)Ngt − rt−1Lt + rkt N
gt − qtN
gt+1 + Lt+1,
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Liquidity Share: LL+qK
1990 1992 1994 1996 1998 2000 2002 2004 2006 20086
8
10
12
14
16
18
Quarters
Perc
ent
Liquidity Share
ls2008Q4
− ls2008Q3
= 23.5%
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Steady State as a Function of φ∗
(for L∗/Y∗ = .40)
0.1 0.12 0.14 0.16 0.18 0.212.5
13
13.5
14
14.5
15
φ
%
Liquidity share
0.1 0.12 0.14 0.16 0.18 0.20.8
1
1.2
1.4
1.6
φ
q
0.1 0.12 0.14 0.16 0.18 0.2−10
−5
0
5
10
φ
% an
nuali
zed
Real return on liquid asset
0.1 0.12 0.14 0.16 0.18 0.2−4
−2
0
2
4
6
8
φ
% an
nuali
zed
Equity premium
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Calibration
• Impose θ = φ = 15% to obtain:
1 steady state liquidity share of 14%2 real return on liquid assets of 2% (1952Q1:2008Q4)
• Probability of receiving investment opportunity: κ = 6%
Doms and Dunne (1998) and Cooper, Haltiwanger and Power (1999)
• Standard stuff:• Discount factor: β = 0.991• Depreciation rate: λ = 0.975 (Annual depreciation = 10%)• Capital share: γ = 0.33• Taylor rule response to inflation: ψ1 = 1.5• Inverse Frisch elasticity: ν = 1• Nominal rigidities : ζp = ζw = .66• Investment adjustment costs: S ′′(1) = 3
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Calibration of the φt Shock and the Fed’s Response
• Expected duration of the liquidity shock (Markov process):• 8 quarters (Baseline) , 8 years (Extreme) (Japan, Great Depression)
−2 0 2 4 6 8 10 12 14 16 18 200
5
10
15
20
25
% Δ
from
stead
y stat
e
Liquidity Share
−2 0 2 4 6 8 10 12 14 16 18 200
0.2
0.4
0.6
0.8
1
Time (Quarters after initial shock)
Trilli
ons o
f $
Government Purchase of Private Equity
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Paths for the Nominal Interest Rate
−2 0 2 4 6 8 10 12 14 16 18 20−1
−0.5
0
0.5
1
1.5
2
2.5
3
3.5
4
Quarters
Annu
alize
d %
poi
nts
Nominal Interest Rate
IRFContingency
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Response of Macro Variables to a liquidity shock(with intervention)
0 10 20−6
−4
−2
0
% Δ
from
ste
ady
stat
e
Output
0 10 20−5
−4
−3
−2
−1
0
Annu
alize
d %
poi
nts
Inflation
0 10 200
0.5
1
1.5
2
2.5Nominal Interest Rate
2006 2008 2010−6
−4
−2
0
Quarters
Log−
leve
l (20
08Q
2 =
0)
GDP
2006 2008 2010−10
−5
0
5
Quarters
Annu
alize
d %
poi
nts
CPI
2006 2008 20100
2
4
6
Quarters
FFR
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Response of Financial Variables to a liquidity shock(with intervention)
0 5 10 15 200
100
200
300
400
Annu
alize
d bp
s.
Spread Illiquid−Liquid Assets
0 5 10 15 20−8
−6
−4
−2
0
% Δ
from
ste
ady
stat
e
Tobin Q
2006 2007 2008 20090
100
200
300
400
500
Quarters
Annu
alize
d bp
s.
Empirical Spreads (1st P.C.)
2006 2007 2008 2009−60
−40
−20
0
20
Quarters
Log−
leve
l (20
08Q
2 =
0)
Wilshire 5000
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The Effect of Policy Intervention
0 5 10 15 20−10
−8
−6
−4
−2
0
% Δ
from
ste
ady
stat
e
Output
0 5 10 15 20−8
−6
−4
−2
0
Annu
alize
d %
poi
nts
Inflation
0 5 10 15 200
100
200
300
400
Quarters
Annu
alize
d bp
s.
Spread Illiquid−Liquid Assets
0 5 10 15 20−15
−10
−5
0
Quarters
% Δ
from
ste
ady
stat
e
Tobin Q
Policy Response No InterventionDel Negro, Ferrero, Eggertsson, Kiyotaki The Great Escape
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The Great Escape?
−2 0 2 4 6 8 10 12 14 16 18 20−20
−15
−10
−5
0
% Δ
from
ste
ady
stat
e
Output
−2 0 2 4 6 8 10 12 14 16 18 20−20
−15
−10
−5
0
Quarters
Annu
alize
d %
poi
nts
Inflation
Policy ResponseNo Intervention
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Multipliers
E0
∑∞t=0(Y I
t − Y Nt )
E0
∑∞t=0 N
gt+1
Baseline Great Escape
Full model 0.643 2.240No zero bound constraint 0.247 0.309No nominal rigidities 0.064 0.052
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The Role of the Nominal Rigidities
0 5 10 15 20−15
−10
−5
0
% Δ
from
ste
ady
stat
e
Output
0 5 10 15 20−6
−4
−2
0
2
4
Annu
alize
d %
poi
nts
Real Interest Rate
0 5 10 15 20−10
−8
−6
−4
−2
0
Quarters
% Δ
from
ste
ady
stat
e
Investment
0 5 10 15 20−15
−10
−5
0
5
Quarters
% Δ
from
ste
ady
stat
e
Consumption
Baseline & Intervention Baseline & No Intervention Flex Price & Intervention Flex Price & No InterventionDel Negro, Ferrero, Eggertsson, Kiyotaki The Great Escape
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The Role of the Zero Bound
0 5 10 15 20−15
−10
−5
0
% Δ
from
ste
ady
stat
e
Output
0 5 10 15 20−8
−6
−4
−2
0
Quarters
Annu
alize
d %
poi
nts
Inflation
0 5 10 15 20−4
−2
0
2
Quarters
Annu
alize
d %
poi
nts
Nominal Interest Rate
ZB & InterventionZB & No InterventionNO ZB & InterventionNO ZB & No Intervention
Del Negro, Ferrero, Eggertsson, Kiyotaki The Great Escape
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Conclusions
1 Liquidity shocks as in Kiyotaki-Moore model can generatequantitatively large movements in real and financial variables → canexplain some features of the crisis
2 Swap of liquid for illiquid assets (unconventional policy) is effectivein reducing impact on spreads and real variables
• Caveat: This is not a model for normative analysis!!!
Del Negro, Ferrero, Eggertsson, Kiyotaki The Great Escape
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Investment Adjustment Costs
• Capital producers:
maxItC (It) = pIt It − It [1 + S(ItI∗
)]
with S(1) = S′(1) = 0, S′′(1) > 0
⇒ pIt = 1 + S( ItI∗
) + S ′( ItI∗
) ItI∗
Del Negro, Ferrero, Eggertsson, Kiyotaki The Great Escape
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Sticky Prices
• Monopolistic competitors produce intermediate goods withtechnology:
yt (i) = Atkt (i)γ lt (i)1−γ ,
subject to Calvo price rigidity (ζp).
• Final goods producers aggregate: yt =[∫ 1
0yt (i)
11+λf ,t di
]1+λf ,t
• Inflation determined by New-Keynesian Phillips curve
Del Negro, Ferrero, Eggertsson, Kiyotaki The Great Escape
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Workers
Max{c′s ,h′s ,n′s+1,b′s+1,l
′s+1} ∞t Et
∞∑s=t
βs−tU[c ′s −∫
ω0
1 + νhs(ω)
′ 1+νdω]
subject to
c ′t + qt(n′t+1 − λn′t) + l ′t+1 − rt−1l
′t +
b′t+1−Rt−1b′t
Pt≤
rkt n′t +
∫ Wt(ω)Pt
h′t(ω)dω + C (It) +∫P(i)di + τt
l ′t+1 ≥ 0, b′t+1 ≥ 0, n′t+1 ≥ 0
and to Calvo nominal rigidities (ζw ). Differentiated labor h′t (w), packedinto a composite:
h′t =
[∫ 1
0
h′t (w)1
1+λw di
]1+λw
.
Del Negro, Ferrero, Eggertsson, Kiyotaki The Great Escape