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// Test preprocessor interface for extended path
var Capital, Output, Labour, Consumption, Efficiency, efficiency, ExpectedTerm;
varexo EfficiencyInnovation;
parameters beta, theta, tau, alpha, psi, delta, rho, effstar, sigma2;
/*
** Calibration
*/
beta = 0.990;
theta = 0.357;
tau = 30.000;
alpha = 0.450;
psi = -5.000;
delta = 0.020;
rho = 0.950;
effstar = 1.000;
sigma2 = 0.0001;
model(use_dll);
// Eq. n°1:
efficiency = rho*efficiency(-1) + EfficiencyInnovation;
// Eq. n°2:
Efficiency = effstar*exp(efficiency);
// Eq. n°3:
Output = Efficiency*(alpha*(Capital(-1)^psi)+(1-alpha)*(Labour^psi))^(1/psi);
// Eq. n°4:
Consumption + Capital - Output - (1-delta)*Capital(-1);
// Eq. n°5:
((1-theta)/theta)*(Consumption/(1-Labour)) - (1-alpha)*(Output/Labour)^(1-psi);
// Eq. n°6:
(Consumption^theta)*((1-Labour)^(1-theta)) - Consumption^(1/(1-tau))*ExpectedTerm(1);
// Eq. n°7:
ExpectedTerm = (beta*((((Consumption^theta)*((1-Labour)^(1-theta)))^(1-tau))/Consumption)*(alpha*((Output/Capital(-1))^(1-psi))+1-delta))^(1/(1-tau));
end;
steady_state_model;
efficiency = 0;
Efficiency = effstar;
// Compute steady state ratios.
Output_per_unit_of_Capital=((1/beta-1+delta)/alpha)^(1/(1-psi));
Consumption_per_unit_of_Capital=Output_per_unit_of_Capital-delta;
Labour_per_unit_of_Capital=(((Output_per_unit_of_Capital/Efficiency)^psi-alpha)/(1-alpha))^(1/psi);
Output_per_unit_of_Labour=Output_per_unit_of_Capital/Labour_per_unit_of_Capital;
Consumption_per_unit_of_Labour=Consumption_per_unit_of_Capital/Labour_per_unit_of_Capital;
// Compute steady state share of capital.
ShareOfCapital=alpha/(alpha+(1-alpha)*Labour_per_unit_of_Capital^psi);
/// Compute steady state of the endogenous variables.
Labour=1/(1+Consumption_per_unit_of_Labour/((1-alpha)*theta/(1-theta)*Output_per_unit_of_Labour^(1-psi)));
Consumption = Consumption_per_unit_of_Labour*Labour;
Capital = Labour/Labour_per_unit_of_Capital;
Output = Output_per_unit_of_Capital*Capital;
ExpectedTerm = (beta*((((Consumption^theta)*((1-Labour)^(1-theta)))^(1-tau))/Consumption)*(alpha*((Output/Capital)^(1-psi))+1-delta))^(1/(1-tau));
end;
shocks;
var EfficiencyInnovation = sigma2;
end;
steady;
extended_path(periods=10);
if oo_.extended_path.status == 0
error('Extended path failed to find a solution in ep/rbc2.mod')
end
if size(oo_.exo_simul,1)~=size(oo_.endo_simul,2)
error('Variable dimensions are incorrect')
end
if size(oo_.exo_simul,2)~=M_.exo_nbr
error('Dimension of exo_simul is incorrect')
end
if options_.ep.stochastic.order ~= 0
error('Wrong approach order detected')
end
extended_path(periods=10, order=1);
if oo_.extended_path.status == 0
error('Stochastic extended path failed to find a solution at order 1 in ep/rbc2.mod')
end
if options_.ep.stochastic.order ~= 1
error('Preprocessor interface failed to set correct approach order')
end
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