36 lines
749 B
Modula-2
36 lines
749 B
Modula-2
var c k;
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varexo x;
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parameters alph gam delt bet aa;
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alph=0.5;
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gam=0.5;
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delt=0.02;
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aa=0.5;
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bet=0.05;
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model;
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c + k - aa*x*k(-1)^alph - (1-delt)*k(-1);
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c^(-gam) - (1+bet)^(-1)*(aa*alph*x(+1)*k^(alph-1) + 1 - delt)*c(+1)^(-gam);
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end;
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initval;
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x = 1;
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k = ((delt+bet)/(aa*x*alph))^(1/(alph-1));
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c = aa*x*k^alph-delt*k;
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end;
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homotopy_setup;
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bet, 0.05, 0.1;
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x, 2;
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end;
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steady(homotopy_mode = @{homotopy_mode}, homotopy_steps = 50);
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if abs(oo_.steady_state(1)/(aa*oo_.exo_steady_state(1)*oo_.steady_state(2)^alph-delt*oo_.steady_state(2)) - 1) > 1e-4
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error('Error in homotopy for c')
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end
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if abs(oo_.steady_state(2)/((delt+get_param_by_name('bet'))/(aa*oo_.exo_steady_state(1)*alph))^(1/(alph-1)) - 1) > 1e-4
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error('Error in homotopy for k')
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end
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