The Great Lockdown and the Big Stimulus: Tracing the Pandemic Possibility Frontier for the U.S.
Greg Kaplan Ben Moll Gianluca Violante IESR Virtual Seminar September 2020
The Great Lockdown and the Big Stimulus: Tracing the Pandemic - - PowerPoint PPT Presentation
The Great Lockdown and the Big Stimulus: Tracing the Pandemic Possibility Frontier for the U.S. Greg Kaplan Ben Moll Gianluca Violante IESR Virtual Seminar September 2020 Objectives US policy response to COVID-19: Lockdown: workplace
Greg Kaplan Ben Moll Gianluca Violante IESR Virtual Seminar September 2020
1 Kaplan, Moll and Violante (2020)
2 Kaplan, Moll and Violante (2020)
more dispersion
→ dimensions not considering today 3 Kaplan, Moll and Violante (2020)
3 Kaplan, Moll and Violante (2020)
Two key features:
’s depends on max ICU capacity 2. : infections depend on social , workplace
4 Kaplan, Moll and Violante (2020)
˙ St ˙ Et ˙ It ˙ Ct ˙ Rt = −βt
It Nt
βt
It Nt
−λE λE −λI λIχ λI(1 − χ) −λC λC(1 − P(Ct, Cmax)) λR −λR
T
St Et It Ct Rt Two key features:
4 Kaplan, Moll and Violante (2020)
High Flexibility Low Flexibility High intensity in C Software engineer, architect Car mechanic, miner High intensity in S Event planner, social scientist Waiter, shop assistant Essential Police, nurse, supermarket clerk
Effective labor supply =
5 Kaplan, Moll and Violante (2020)
High Flexibility Low Flexibility High intensity in C Software engineer, architect Car mechanic, miner High intensity in S Event planner, social scientist Waiter, shop assistant Essential Police, nurse, supermarket clerk
w + ϕjLj r
s, ξj c)
Yi = ZiNαi
i K1−αi i
, Ni =
J
∑
j=1
( ξj
i
) 1
σ (
Nj
i
) σ−1
σ
σ σ−1
, i ∈ {s, c}
5 Kaplan, Moll and Violante (2020)
U[c, υs( ˙ D)s, h] − V [υℓ( ˙ D)ℓw, ℓr, h]
Budget constraint of healthy household working in occupation : liquid assets : illiquid assets : flexibility of occupation : transaction cost Sick households (= , in ICU): cannot produce, gov’t provides and
6 Kaplan, Moll and Violante (2020)
U[c, υs( ˙ D)s, h] − V [υℓ( ˙ D)ℓw, ℓr, h]
˙ b = (1 − τ)w jz ( ℓw + ϕjℓr ) + r bb + T − c − pss − d − χ(d, a) ˙ a = r aa + d
6 Kaplan, Moll and Violante (2020)
Ys = Zs(κsKs)αsN1−αs
s
, κs < 1
Full lockdown: Such lockdowns reduce infections because Note: lockdowns affect same behavioral margins as epidemic
7 Kaplan, Moll and Violante (2020)
Ys = Zs(κsKs)αsN1−αs
s
, κs < 1
ℓw ≤ κℓ(ℓw + ℓr), κℓ < 1 Full lockdown: Such lockdowns reduce infections because Note: lockdowns affect same behavioral margins as epidemic
7 Kaplan, Moll and Violante (2020)
Ys = Zs(κsKs)αsN1−αs
s
, κs < 1
ℓw ≤ κℓ(ℓw + ℓr), κℓ < 1
7 Kaplan, Moll and Violante (2020)
Firms
Investment Fund
Government
→ market clearing conditions 8 Kaplan, Moll and Violante (2020)
8 Kaplan, Moll and Violante (2020)
→ SEIR parameters
, CPS, SCF
→ exposure vs vulneability
→ feedback 1
→ feedback 2 9 Kaplan, Moll and Violante (2020)
9 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul 0.00 0.02 0.04 0.06 0.08 0.10 0.12
(a) Monthly Death Rate (%)
Laissez-faire Full Lockdown
Apr Jul Oct 2021 Apr Jul 50 40 30 20 10
(c) Labor Income (CF: C-intensive, Flexible) (%)
Laissez-faire Full Lockdown
Apr Jul Oct 2021 Apr Jul
Month
50 40 30 20 10
(e) Labor Income (SF: S-intensive, Flexible) (%)
Laissez-faire Full Lockdown
Apr Jul Oct 2021 Apr Jul 25 20 15 10 5
(b) Output (%)
Laissez-faire Full Lockdown
Apr Jul Oct 2021 Apr Jul 50 40 30 20 10
(d) Labor Income (CR: C-intensive, Rigid) (%)
Laissez-faire Full Lockdown
Apr Jul Oct 2021 Apr Jul
Month
50 40 30 20 10
(f) Labor Income (SR: S-intensive, Rigid) (%)
Laissez-faire Full Lockdown
→ lockdown path → laissez-faire dynamics → lockdown dynamics → lockdown decomposition 10 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul 0.00 0.02 0.04 0.06 0.08 0.10 0.12
(a) Monthly Death Rate (%)
Laissez-faire Full Lockdown
Apr Jul Oct 2021 Apr Jul 50 40 30 20 10
(c) Labor Income (CF: C-intensive, Flexible) (%)
Laissez-faire Full Lockdown
Apr Jul Oct 2021 Apr Jul
Month
50 40 30 20 10
(e) Labor Income (SF: S-intensive, Flexible) (%)
Laissez-faire Full Lockdown
Apr Jul Oct 2021 Apr Jul 25 20 15 10 5
(b) Output (%)
Laissez-faire Full Lockdown
Apr Jul Oct 2021 Apr Jul 50 40 30 20 10
(d) Labor Income (CR: C-intensive, Rigid) (%)
Laissez-faire Full Lockdown
Apr Jul Oct 2021 Apr Jul
Month
50 40 30 20 10
(f) Labor Income (SR: S-intensive, Rigid) (%)
Laissez-faire Full Lockdown
→ lockdown path → laissez-faire dynamics → lockdown dynamics → lockdown decomposition 10 Kaplan, Moll and Violante (2020)
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40
Deaths (% of Population)
2 4 6 8 10
Economic Welfare Cost (Multiples of Monthly Income)
Laissez-faire US Lockdown 12-Month Lockdown 1 7
t h L
k d
n
Mean p25-p75 p10-p90 p5-p95 → ppf by occupation 11 Kaplan, Moll and Violante (2020)
12 Kaplan, Moll and Violante (2020)
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35
Deaths (% of Population)
2 4 6 8 10
Economic Welfare Cost (Multiples of Monthly Income)
US Lockdown L a i s s e z
a i r e US Policy 1 7
t h L
k d
n 12-Month Lockdown Mean w/o Fiscal Support p10-p90 w/o Fiscal Support Mean w/ Fiscal Support p10-p90 w/ Fiscal Support
, retirement withdrawals [LINK TO DETAILS]
→ CARES Act dynamics → components of CARES Act → CARES Act by income quartile → components of CARES Act by income quartile 13 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul
Month
30 20 10
(a) Labor Income (%)
Bottom Quartile 2nd Quartile 3rd Quartile Top Quartile
Apr Jul Oct 2021 Apr Jul
Month
20 15 10 5
(b) Consumption (%)
Bottom Quartile 2nd Quartile 3rd Quartile Top Quartile
SLIDE]
components of fiscal stimulus]
14 Kaplan, Moll and Violante (2020)
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 2 4 6 8 10
(a) Comparison
Mean: US Lockdown Mean: Lockdown w/ C Sector Exempted Mean: Social Consumption Tax Mean: Workplace Hours Tax
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 2 4 6 8 10
Laissez-faire 17-Month 12-Month 21-Month 2-Month
(b) Lockdown w/ C Sector Exempted
Mean p10-p90 p25-p75
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35
Deaths (% of Population)
2 4 6 8 10
Laissez-faire 17-Month 12-Month 21-Month 2-Month
(c) Social Consumption Tax
Mean p10-p90 p25-p75
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35
Deaths (% of Population)
2 4 6 8 10
Laissez-faire 17-Month 12-Month 21-Month 2-Month
(d) Workplace Hours Tax
Mean p10-p90 p25-p75
15 Kaplan, Moll and Violante (2020)
15 Kaplan, Moll and Violante (2020)
in need social insurance
16 Kaplan, Moll and Violante (2020)
in need social insurance
16 Kaplan, Moll and Violante (2020)
16 Kaplan, Moll and Violante (2020)
(Glover-Heathcote-Krueger-RiosRull, Bairoliya-Imrohoroglu, Brotherhood-Kircher-Santos-Tertilt, ...)
(Alon-Doepke-Olmstead Rumsey-Tertilt, ...)
(Baqaee-Farhi, ...)
(Buera-Fattal Jaef-Neumeyer-Shin, Elenev-Landvoigt-VanNieuwerburgh, ...)
→ model ingredients 17 Kaplan, Moll and Violante (2020)
Yc = Cc + I + G + χ
Ys = Cs
Nj
c + Nj s =
∫ z(ℓj
w(h, a, b, z) + ϕjℓj r(h, a, b, z))dµ,
j = 1, ..., 5
Bh = Bg
A = Vfund(K, Θc, Θs), K = Kc + Ks
→ model ingredients 18 Kaplan, Moll and Violante (2020)
Description Parameter Value Initial basic reproduction number Rinit = βinit
0 /λI
2.5 Final basic reproduction number Rend = βend /λI 2
TI ⇒ λI = 1/TI 4.3 days
TE ⇒ λE = 1/TE 5.0 days Infection fatality rate IFR = χδC 0.02 × 0.33 = 0.066
Rt = (1 − ωt)R0 + ωt ¯ R, ¯ R = 1.5, ωt = logistic
= 60%
→ back to parameterization 19 Kaplan, Moll and Violante (2020)
Occupation ϕj ξj
c
ξj
s
Empl Share Earnings Liq Wealth Essential 0.1 0.19 0.35 0.31 $45K $1,300 CF: C-intensive, Flexible 1 0.57 0.12 0.21 $79K $18,400 SF: S-intensive, Flexible 1 0.03 0.19 0.10 $51K $8,900 CR: C-intensive, Rigid 0.1 0.19 0.04 0.13 $45K $1,000 SR: S-intensive, Rigid 0.1 0.04 0.29 0.24 $32K $900 Source: O*NET, OES, SIPP
→ back to parameterization 20 Kaplan, Moll and Violante (2020)
βt = ˜ βt (Cst ¯ Cs )νs
β (Lwt
¯ Lw )νw
β
Feb 18 Mar 03 Mar 17 Mar 31 Apr 14 Apr 28 Date 2020
10 20 Workplace Mobility Index Over 90% of population in lockdown Feb 18 Mar 03 Mar 17 Mar 31 Apr 14 Apr 28 Date 2020
10 20 Retail Mobility Index Over 90% of population in lockdown
β = νw β = 0.8
→ back to parameterization 21 Kaplan, Moll and Violante (2020)
υℓ( ˙ D) = exp ( −ν0
ℓ ˙
Dν1
ℓ
) , υs( ˙ D) = exp ( −ν0
s ˙
Dν1
s
)
log wit = γ0
ℓ
( ν0
ℓ ˙
D
ν1
ℓ
t
) + γ1
ℓ Xit
concave in risk
Greenstone et al. (2014), Lavetti (2020)
(relevant magnitude for COVID-19)
→ back to parameterization 22 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul
Month
10 20 30 40 50 60
(a) Workplace Lockdown (%)
Apr Jul Oct 2021 Apr Jul
Month
20 40 60 80
(b) Social Sector Lockdown (%)
→ back 23 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul Month 0.0 0.5 1.0 1.5 2.0 2.5
(a) Reproduction Number
R0 Effective R Apr Jul Oct 2021 Apr Jul Month 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
(b) Infectious (% of Population)
Apr Jul Oct 2021 Apr Jul Month 0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200
(c) Monthly Death Rate (%)
Actual No ICU Constraint Apr Jul Oct 2021 Apr Jul Month 50 40 30 20 10
(d) Output (%)
Y Regular Y Social Y Apr Jul Oct 2021 Apr Jul Month 50 40 30 20 10 10
(e) Consumption (%)
C Regular C Social C Apr Jul Oct 2021 Apr Jul Month 20 15 10 5 5 10
(f) Investment and Share Price (%)
Investment Share Price Apr Jul Oct 2021 Apr Jul Month 100 80 60 40 20 20 40 60
(g) Hours (%)
Workplace Hrs. Home Hrs. Apr Jul Oct 2021 Apr Jul Month 30 20 10 10 20
(h) Labor (%)
Labor Productivity Labor Income Apr Jul Oct 2021 Apr Jul Month 2.35 2.40 2.45 2.50 2.55 2.60 2.65 2.70
(i) Government Debt
Quarterly GDP 600 400 200 200 400 Remote Hrs.
→ back 24 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul Month 0.0 0.5 1.0 1.5 2.0 2.5
(a) Reproduction Number
R0 Effective R Apr Jul Oct 2021 Apr Jul Month 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
(b) Infectious (% of Population)
Apr Jul Oct 2021 Apr Jul Month 0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200
(c) Monthly Death Rate (%)
Actual No ICU Constraint Apr Jul Oct 2021 Apr Jul Month 50 40 30 20 10
(d) Output (%)
Y Regular Y Social Y Apr Jul Oct 2021 Apr Jul Month 50 40 30 20 10 10
(e) Consumption (%)
C Regular C Social C Apr Jul Oct 2021 Apr Jul Month 20 15 10 5 5 10
(f) Investment and Share Price (%)
Investment Share Price Apr Jul Oct 2021 Apr Jul Month 100 80 60 40 20 20 40 60
(g) Hours (%)
Workplace Hrs. Home Hrs. Apr Jul Oct 2021 Apr Jul Month 30 20 10 10 20
(h) Labor (%)
Labor Productivity Labor Income Apr Jul Oct 2021 Apr Jul Month 2.35 2.40 2.45 2.50 2.55 2.60 2.65 2.70
(i) Government Debt
Quarterly GDP 600 400 200 200 400 Remote Hrs.
→ back 25 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul 0.00 0.02 0.04 0.06 0.08 0.10 0.12
(a) Monthly Death Rate (%)
Laissez-faire Full Lockdown Social Sector Lockdown Workplace Lockdown
Apr Jul Oct 2021 Apr Jul 50 40 30 20 10
(b) Labor Income (CF: C-intensive, Flexible) (%)
Laissez-faire Full Lockdown Social Sector Lockdown Workplace Lockdown
Apr Jul Oct 2021 Apr Jul 50 40 30 20 10
(c) Labor Income (SF: S-intensive, Flexible) (%)
Laissez-faire Full Lockdown Social Sector Lockdown Workplace Lockdown
Apr Jul Oct 2021 Apr Jul
Month
25 20 15 10 5
(d) Output (%)
Laissez-faire Full Lockdown Social Sector Lockdown Workplace Lockdown
Apr Jul Oct 2021 Apr Jul
Month
50 40 30 20 10
(e) Labor Income (CR: C-intensive, Rigid) (%)
Laissez-faire Full Lockdown Social Sector Lockdown Workplace Lockdown
Apr Jul Oct 2021 Apr Jul
Month
50 40 30 20 10
(f) Labor Income (SR: S-intensive, Rigid) (%)
Laissez-faire Full Lockdown Social Sector Lockdown Workplace Lockdown
→ back 26 Kaplan, Moll and Violante (2020)
→ back 27 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul Month 0.0 0.5 1.0 1.5 2.0 2.5
(a) Reproduction Number
R0 Effective R Apr Jul Oct 2021 Apr Jul Month 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8
(b) Infectious (% of Population)
Apr Jul Oct 2021 Apr Jul Month 0.000 0.025 0.050 0.075 0.100 0.125 0.150 0.175 0.200
(c) Monthly Death Rate (%)
Actual No ICU Constraint Apr Jul Oct 2021 Apr Jul Month 50 40 30 20 10
(d) Output (%)
Y Regular Y Social Y Apr Jul Oct 2021 Apr Jul Month 50 40 30 20 10 10
(e) Consumption (%)
C Regular C Social C Apr Jul Oct 2021 Apr Jul Month 20 15 10 5 5 10
(f) Investment and Share Price (%)
Investment Share Price Apr Jul Oct 2021 Apr Jul Month 100 80 60 40 20 20 40 60
(g) Hours (%)
Workplace Hrs. Home Hrs. Apr Jul Oct 2021 Apr Jul Month 30 20 10 10 20
(h) Labor (%)
Labor Productivity Labor Income Apr Jul Oct 2021 Apr Jul Month 2.35 2.40 2.45 2.50 2.55 2.60 2.65 2.70
(i) Government Debt
Quarterly GDP 600 400 200 200 400 Remote Hrs.
→ back 28 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul 0.0 0.5 1.0 1.5 2.0 2.5
(a) Effective R
No CARES Check + UI Full CARES
Apr Jul Oct 2021 Apr Jul 30 25 20 15 10 5 5
(b) Labor Income (%)
No CARES Check + UI Full CARES
Apr Jul Oct 2021 Apr Jul 60 50 40 30 20 10
(c) Workplace Hours (%)
No CARES Check + UI Full CARES
Apr Jul Oct 2021 Apr Jul
Month
0.000 0.005 0.010 0.015 0.020 0.025 0.030
(d) Monthly Death Rate (%)
No CARES Check + UI Full CARES
Apr Jul Oct 2021 Apr Jul
Month
25 20 15 10 5
(e) Consumption (%)
No CARES Check + UI Full CARES
Apr Jul Oct 2021 Apr Jul
Month
4 3 2 1 1
(f) Share Price (%)
No CARES Check + UI Full CARES
→ back 29 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul 40 30 20 10 10
Full CARES
(a) Labor Income (%)
Bottom Quartile Top Quartile
Apr Jul Oct 2021 Apr Jul 20 20 40 60 80 100
(b) Total Income (%)
Bottom Quartile Top Quartile
Apr Jul Oct 2021 Apr Jul 25 20 15 10 5 5
(c) Consumption (%)
Bottom Quartile Top Quartile
Apr Jul Oct 2021 Apr Jul
Month
40 30 20 10 10
No CARES
(d) Labor Income (%)
Bottom Quartile Top Quartile
Apr Jul Oct 2021 Apr Jul
Month
25 20 15 10 5
(e) Total Income (%)
Bottom Quartile Top Quartile
Apr Jul Oct 2021 Apr Jul
Month
25 20 15 10 5 5
(f) Consumption (%)
Bottom Quartile Top Quartile
→ back 30 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul 40 30 20 10
Bottom Quartile
(a) Labor Income (%)
Apr Jul Oct 2021 Apr Jul 20 20 40 60 80 100
(b) Total Income (%)
None Check UI Withdraw PPP Full
Apr Jul Oct 2021 Apr Jul 25 20 15 10 5 5
(c) Consumption (%)
Apr Jul Oct 2021 Apr Jul
Month
25 20 15 10 5 5
Top Quartile
(d) Labor Income (%)
Apr Jul Oct 2021 Apr Jul
Month
25 20 15 10 5 5
(e) Total Income (%)
Apr Jul Oct 2021 Apr Jul
Month
25 20 15 10 5 5
(f) Consumption (%) → back 31 Kaplan, Moll and Violante (2020)
−20 −10 10 20 30 Year over Year Percent Change 2019m4 2019m7 2019m10 2020m1 2020m4
Personal Consumption Expenditures Personal Savings Rate
32 Kaplan, Moll and Violante (2020)
Apr Jul Oct 2021 Apr Jul
Month
0.0 0.5 1.0 1.5 2.0 2.5 3.0
(a) Transfers (% of Quarterly GDP)
Check UI
Apr Jul Oct 2021 Apr Jul
Month
10 20 30 40 50
(b) PPP Subsidies (%)
Wage Profit
Apr Jul Oct 2021 Apr Jul
Month
25 20 15 10 5
(c) Withdrawal Cost (%)
33 Kaplan, Moll and Violante (2020)
33 Kaplan, Moll and Violante (2020)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 ATUS (share of individuals who can work from home) 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 O*NET (share of teleworkable jobs)
34 Kaplan, Moll and Violante (2020)
Classify 3-digit NAICS industries as “regular” (c) or “social” (s)
Sector C (VA share: 0.74) Sector S (VA share: 0.26) Agriculture, fishing, and hunting Retail trade Mining Air, rail, water and transit transportation Utilities Educational services Construction Health care and social assist. services Manufacturing Rental and leasing services Wholesale trade Arts and entertainment services Postal, pipeline and truck transp. Accommodation and food services Warehousing and storage Personal services Information Finance and insurance Real estate Professional and business services Source: BEA
35 Kaplan, Moll and Violante (2020)
(Source: Brookings)
36 Kaplan, Moll and Violante (2020)
Assumption: vaccine arrives after 24 months and is distributed rapidly
37 Kaplan, Moll and Violante (2020)