58 lines
1.7 KiB
Modula-2
58 lines
1.7 KiB
Modula-2
var Efficiency // $A$
|
|
EfficiencyGrowth // $X$
|
|
Population // $L$
|
|
PopulationGrowth // $N$
|
|
Output // $Y$
|
|
PhysicalCapitalStock ; // $K$
|
|
|
|
varexo e_x // $\varepsilon_x$
|
|
e_n ; // $\varepsilon_n$
|
|
|
|
parameters alpha // $\alpha$
|
|
delta // $\delta$
|
|
s // $s$
|
|
rho_x // $\rho_x$
|
|
rho_n // $\rho_n$
|
|
EfficiencyGrowth_ss // $X^{\star}$
|
|
PopulationGrowth_ss ; // $N^{\star}$
|
|
|
|
alpha = .33;
|
|
delta = .02;
|
|
s = .20;
|
|
rho_x = .90;
|
|
rho_n = .95;
|
|
EfficiencyGrowth_ss = 1.00; // Do not change this calibration
|
|
PopulationGrowth_ss = 1.00; // Do not change this calibration
|
|
|
|
alpha = .33;
|
|
delta = .02;
|
|
s = .20;
|
|
rho_x = .90;
|
|
rho_n = .95;
|
|
EfficiencyGrowth_ss = 1.02;
|
|
PopulationGrowth_ss = 1.02;
|
|
|
|
model;
|
|
Efficiency = EfficiencyGrowth*Efficiency(-1);
|
|
EfficiencyGrowth/EfficiencyGrowth_ss = (EfficiencyGrowth(-1)/EfficiencyGrowth_ss)^(rho_x)*exp(e_x);
|
|
Population = PopulationGrowth*Population(-1);
|
|
PopulationGrowth/PopulationGrowth_ss = (PopulationGrowth(-1)/PopulationGrowth_ss)^(rho_n)*exp(e_n);
|
|
Output = PhysicalCapitalStock(-1)^alpha*(Efficiency*Population)^(1-alpha);
|
|
PhysicalCapitalStock = (1-delta)*PhysicalCapitalStock(-1) + s*Output;
|
|
end;
|
|
|
|
histval;
|
|
Efficiency(0) = 1;
|
|
EfficiencyGrowth(0) = 1.02;
|
|
Population(0) = 1;
|
|
PopulationGrowth(0) = 1.02;
|
|
PhysicalCapitalStock(0) = 1;
|
|
end;
|
|
|
|
shocks;
|
|
var e_x = 0.005;
|
|
var e_n = 0.001;
|
|
end;
|
|
|
|
simulations = simul_backward_model([], 5000);
|