Accesso libero

The Role of Energy in a Real Business Cycle Model with an Endogenous Capital Utilization Rate in a Government Sector: Lessons from Bulgaria (1999–2016)

INFORMAZIONI SU QUESTO ARTICOLO

Cita

Fig. 1

Impulse responses to a 1% surprise innovation in technology.
Impulse responses to a 1% surprise innovation in technology.

Fig. 2

Impulse responses to a 1% surprise innovation in energy price.
Impulse responses to a 1% surprise innovation in energy price.

Business Cycle Moments

σyDataModel
σcy0.550.14
σiy1.771.97
σgy1.211.00
σhy0.630.63
σwy0.830.39
σy/hy0.860.39
σuy3.220.63
σwh1.321.61
corr(c, y)0.850.47
corr(i, y)0.610.75
corr(g, y)0.311.00
corr(h, y)0.490.96
corr(w, y)-0.010.97
corr(u, y)-0.47-0.96
corr(h, y/h)-0.140.92

Autocorrelations for Bulgarian data and the model economy

k
MethodStatistic0123
Datacorr(ut, ut − k)1.0000.7650.5520.553
Modelcorr(ut, ut − k)1.0000.9550.9010.837
(s.e.)(0.000)(0.027)(0.051)(0.073)
Datacorr(nt, ntk)1.0000.4840.0090.352
Modelcorr(nt, nt − k)1.0000.9550.9010.837
(s.e.)(0.000)(0.027)(0.051)(0.074)
Datacorr(yt, yt − k)1.0000.8100.6630.479
Modelcorr(yt, yt − k)1.0000.9550.9010.836
(s.e.)(0.000)(0.027)(0.050)(0.073)
Datacorr(at, at − k)1.0000.7020.4490.277
Modelcorr(at, at − k)1.0000.9550.9000.836
(s.e.)(0.000)(0.026)(0.050)(0.072)
Datacorr(ct, ct − k)1.0000.9710.9520.913
Modelcorr(ct, ct − k)1.0000.9550.9030.845
(s.e.)(0.000)(0.026)(0.050)(0.073)
Datacorr(it, it − k)1.0000.8100.7220.594
Modelcorr(it, it − k)1.0000.9540.9010.841
(s.e.)(0.000)(0.026)(0.050)(0.073)
Datacorr(wt, wt − k)1.0000.7600.7830.554
Modelcorr(wt, wt − k)1.0000.9200.9000.836
(s.e.)(0.000)(0.026)(0.050)(0.073)

Dynamic correlations for Bulgarian data and the model economy

k
MethodStatistic-3-2-10123
Datacorr(nt, (y/n)t − k)-0.342-0.363-0.187-0.1440.4750.4700.346
Modelcorr(nt, (y/n)t − k)0.1230.1950.2920.9180.2880.2210.171
(s.e.)(0.320)(0.286)(0.250)(0.146)(0.243)(0.281)(0.317)
Datacorr(nt, wt − k)0.3550.4520.4470.328-0.040-0.390-0.57
Modelcorr(nt, wt − k)0.1230.1950.2920.9180.2880.2210.171
(s.e.)(0.320)(0.286)(0.250)(0.146)(0.243)(0.281)(0.317)

Data Averages and Long-run Solution

VariableDescriptionDataModel
ySteady-state outputN/A1.000
c/y(non-energy) Consumption-to-output ratio0.6240.624
i/yInvestment-to-output ratio0.2010.175
pe/yEnergy consumption-to-output ratio0.1510.151
gt/yGovernment transfers-to-output ratio0.2200.149
wh/yLabor income-to-output ratio0.5710.571
ruk/yCapital income-to-output ratio0.4290.429
hShare of time spent working0.3330.333
r¯After-tax net return on capital0.0140.016

Model Parameters

ParameterValueDescriptionMethod
β0.982Discount factorCalibrated
α0.429Capital shareData average
1 − α0.571Labor shareCalibrated
ψ0.873Relative weight attached to consumptionCalibrated
σ2.000Curvature parameter, utility functionSet
δ0.013Depreciation rate on physical capitalData average
ω00.013Scale parameter, depreciation functionCalibrated
ω11.250Curvature parameter, depreciation functionSet
ν00.0143Scale parameter, energy utilization functionData average
ν11.610Curvature parameter, energy utilization functionSet
τy0.100Average tax rate on incomeData average
τc0.200VAT/consumption tax rateData average
A0.604Steady-state value of TFP processCalibarated
p1.000Steady-state energy price levelCalibrated
ρa0.701AR(1) persistence coefficient, TFP processEstimated
ρp0.980AR(1) persistence coefficient, energy price processEstimated
σa0.044st. error, TFP processEstimated
σp0.013st. error, energy processEstimated