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Initialize IRFs with histval (second approach).

time-shift
Stéphane Adjemia (Scylla) 2019-02-11 17:01:39 +01:00
parent 98591af846
commit beb7d42d74
Signed by untrusted user who does not match committer: stepan
GPG Key ID: A6D44CB9C64CE77B
1 changed files with 4 additions and 10 deletions
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14
tests/ecb/backward-models/solow_irf.mod → tests/ecb/backward-models/irf/solow_1.mod
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@ -86,6 +86,7 @@ title('IRF (shock on the growth rate of efficiency)')
** the period of the initial condition).
*/
/*
histval;
Efficiency(0) = 1;
EfficiencyGrowth(0) = .5;
@ -93,7 +94,7 @@ histval;
PopulationGrowth(0) = .5;
PhysicalCapitalStock(0) = 1;
end;
*/
// Define the shocks for which we want to compute the IRFs
listofshocks = {'e_x', 'e_n'};
@ -101,17 +102,10 @@ listofshocks = {'e_x', 'e_n'};
listofvariables = {'Efficiency', 'Population', 'Output'};
// Compute the IRFs
ds = dseries(repmat(M_.endo_histval', 10, 1), 1990Q1, cellstr(M_.endo_names), cellstr(M_.endo_names_tex));
irfs = backward_model_irf(ds, dseries(), listofshocks, listofvariables, 50); // 10 is the number of periods (default value is 40).
irfs = backward_model_irf([], dseries(), listofshocks, listofvariables, 50); // 10 is the number of periods (default value is 40).
// Plot an IRF (shock on technology)
figure(2)
plot(irfs.e_x.Output)
legend('Output')
title('IRF (shock on the growth rate of efficiency)')
/* REMARK
** ------
**
** This model is nonlinear and non stationary. For different initial conditions the IRFs may look quite different.
*/
title('IRF (shock on the growth rate of efficiency)')