2018-06-07 19:17:48 +02:00
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var Capital, Output, Labour, Consumption, Efficiency, efficiency, ExpectedTerm;
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varexo EfficiencyInnovation;
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parameters beta, theta, tau, alpha, psi, delta, rho, effstar, sigma2;
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beta = 0.9900;
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theta = 0.3570;
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tau = 2.0000;
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alpha = 0.4500;
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psi = -0.1000;
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delta = 0.0200;
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rho = 0.8000;
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effstar = 1.0000;
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sigma2 = 0;
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model;
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// Eq. n°1:
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efficiency = rho*efficiency(-1) + EfficiencyInnovation(-2); // Use a lag of two to test the maximum_lag logic
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// Eq. n°2:
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Efficiency = effstar*exp(efficiency);
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// Eq. n°3:
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Output = Efficiency*(alpha*(Capital(-1)^psi)+(1-alpha)*(Labour^psi))^(1/psi);
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// Eq. n°4:
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Capital = Output-Consumption + (1-delta)*Capital(-1);
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// Eq. n°5:
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((1-theta)/theta)*(Consumption/(1-Labour)) - (1-alpha)*(Output/Labour)^(1-psi);
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// Eq. n°6:
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(((Consumption^theta)*((1-Labour)^(1-theta)))^(1-tau))/Consumption = ExpectedTerm(1);
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// Eq. n°7:
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ExpectedTerm = beta*((((Consumption^theta)*((1-Labour)^(1-theta)))^(1-tau))/Consumption)*(alpha*((Output/Capital(-1))^(1-psi))+(1-delta));
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end;
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steady_state_model;
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efficiency = EfficiencyInnovation/(1-rho);
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Efficiency = effstar*exp(efficiency);
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Output_per_unit_of_Capital=((1/beta-1+delta)/alpha)^(1/(1-psi));
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Consumption_per_unit_of_Capital=Output_per_unit_of_Capital-delta;
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Labour_per_unit_of_Capital=(((Output_per_unit_of_Capital/Efficiency)^psi-alpha)/(1-alpha))^(1/psi);
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Output_per_unit_of_Labour=Output_per_unit_of_Capital/Labour_per_unit_of_Capital;
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Consumption_per_unit_of_Labour=Consumption_per_unit_of_Capital/Labour_per_unit_of_Capital;
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% Compute steady state share of capital.
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ShareOfCapital=alpha/(alpha+(1-alpha)*Labour_per_unit_of_Capital^psi);
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% Compute steady state of the endogenous variables.
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Labour=1/(1+Consumption_per_unit_of_Labour/((1-alpha)*theta/(1-theta)*Output_per_unit_of_Labour^(1-psi)));
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Consumption=Consumption_per_unit_of_Labour*Labour;
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Capital=Labour/Labour_per_unit_of_Capital;
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Output=Output_per_unit_of_Capital*Capital;
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ExpectedTerm=beta*((((Consumption^theta)*((1-Labour)^(1-theta)))^(1-tau))/Consumption)
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*(alpha*((Output/Capital)^(1-psi))+1-delta);
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end;
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steady;
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ik = varlist_indices('Capital',M_.endo_names);
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CapitalSS = oo_.steady_state(ik);
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histval;
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Capital(0) = CapitalSS/2;
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end;
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perfect_foresight_setup(periods=200);
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perfect_foresight_solver(stack_solve_algo=7,solve_algo=1);
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if ~oo_.deterministic_simulation.status
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error('Perfect foresight simulation failed')
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end
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rplot Consumption;
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rplot Capital;
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2021-07-22 17:46:08 +02:00
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D = load(['rbc_det' filesep 'Output' filesep 'rbc_det_results']);
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2018-06-07 19:17:48 +02:00
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2020-11-09 16:30:54 +01:00
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if norm(D.oo_.endo_simul(1:D.M_.orig_endo_nbr,D.M_.maximum_lag+1:end-D.M_.maximum_lead) - oo_.endo_simul(1:M_.orig_endo_nbr,M_.maximum_lag+1:end-M_.maximum_lead)) > 1e-30;
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disp(D.oo_.endo_simul(1:D.M_.orig_endo_nbr,D.M_.maximum_lag+1:end-D.M_.maximum_lead) - oo_.endo_simul(1:M_.orig_endo_nbr,M_.maximum_lag+1:end-M_.maximum_lead));
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2018-06-07 19:17:48 +02:00
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error('rbc_det_stack_solve_algo_7 failed');
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end;
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options_.dynatol.f=1e-10;
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@#define J = [0,1,2,3,4,9,10]
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@#for solve_algo_iter in J
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perfect_foresight_setup(periods=200);
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perfect_foresight_solver(stack_solve_algo=7,solve_algo=@{solve_algo_iter});
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if ~oo_.deterministic_simulation.status
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error('Perfect foresight simulation failed')
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end
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rplot Consumption;
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rplot Capital;
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2021-07-22 17:46:08 +02:00
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D = load(['rbc_det' filesep 'Output' filesep 'rbc_det_results']);
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2018-06-07 19:17:48 +02:00
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if isoctave && options_.solve_algo==0
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%%acount for somehow weaker convergence criterion in Octave's fsolve
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tol_crit=1e-4;
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else
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tol_crit=1e-8;
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end
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2020-11-09 16:30:54 +01:00
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if norm(D.oo_.endo_simul(1:D.M_.orig_endo_nbr,D.M_.maximum_lag+1:end-D.M_.maximum_lead) - oo_.endo_simul(1:M_.orig_endo_nbr,M_.maximum_lag+1:end-M_.maximum_lead)) > tol_crit;
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disp(D.oo_.endo_simul(1:D.M_.orig_endo_nbr,D.M_.maximum_lag+1:end-D.M_.maximum_lead) - oo_.endo_simul(1:M_.orig_endo_nbr,M_.maximum_lag+1:end-M_.maximum_lead));
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2018-06-07 19:17:48 +02:00
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error(sprintf('rbc_det_stack_solve_algo_7 failed with solve_algo=%u',options_.solve_algo));
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end;
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2020-11-09 16:30:54 +01:00
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@#endfor
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