Parameters Mark0COVID#

The following two tables contain the default values for the hyperparameters and parameters of the Mark0COVID model.

Hyperparameters#

Notation

Unit

Value

N_firms

1000

device

cpu

dtype

torch.float64

epsilon

1e-12

max_constant

100.0

min_constant

100.0

requires_grad

False

scenario_trigger

0

sectors

[‘Firms’, ‘Household’, ‘Bank’, ‘CentralBank’]

seed

0

seed_init

0

sigmoid_constant

10000.0

tanh_constant

1000000.0

timesteps

100

timesteps_initialization

0

Parameters#

Notation

Unit

Value

Lower Bound

Upper Bound

BankruptcyInterestEffect

\(f\)

.

0.5

0.0

1.0

CBEmploymentReaction

\(\phi_\varepsilon\)

.

0.0

0.0

10.0

CBInflationReaction

\(\phi_\pi\)

.

0.0

0.0

10.0

CBInflationTarget

\(\pi^\star\)

1 / period

0.002

0.0

1.0

CBUnemploymentTarget

\(\hat\varepsilon^\star\)

.

0.05

0.0

1.0

ConsumptionPropensityBaseline

\(c_0\)

.

0.5

0.0

1.0

ConsumptionRealRateSensitivity

\(\alpha_c\)

.

4.0

0.0

100.0

DefaultThreshold

\(\Theta\)

.

2.0

0.0

100.0

DividendShare

\(\delta\)

.

0.02

0.0

1.0

EWMAMemory

\(\omega\)

.

0.2

0.0

1.0

ExpectedInflationEWMAWeight

\(\tau^R\)

.

0.5

0.0

1.0

ExpectedInflationTargetWeight

\(\tau^T\)

.

0.5

0.0

1.0

FiringPropensity

\(\eta_0\)

.

0.1

0.0

1.0

FirmRevivalProbability

\(\phi\)

1 / period

0.1

0.0

1.0

GammaBaseline

\(\Gamma_0\)

.

0.0

0.0

10.0

HiringFiringRate

\(R\)

.

2.0

0.0

10.0

HouseholdIntensityOfChoice

\(\beta\)

.

2.0

0.0

100.0

InitialProductionScale

\(y_0\)

.

0.5

0.0

1.0

InterestRateBaseline

\(\rho^\star\)

1 / period

0.005

0.0

1.0

LoanRateGammaSensitivity

\(\alpha_\Gamma\)

.

50.0

0.0

1000.0

PriceAdjustmentSize

\(\gamma_p\)

.

0.1

0.0

1.0

WageInflationFactor

\(f_w\)

.

1.0

0.0

2.0

WagePriceAdjustmentRatio

\(\gamma_w / \gamma_p\)

.

1.0

0.0

10.0