sim1_purely_backward.m: for purely static model, do not use past value for first iteration

Index 0 does not exist.
time-shift
Johannes Pfeifer 2021-05-27 22:35:33 +02:00
parent abe8a05b43
commit f97c138685
1 changed files with 7 additions and 2 deletions

View File

@ -43,8 +43,13 @@ dynamicmodel_s = str2func('dynamic_backward_model_for_simulation');
info.status = true;
for it = M.maximum_lag + (1:options.periods)
y = endogenousvariables(:,it-1); % Values at previous period, also used as guess value for current period
ylag = y(iyb);
if M.maximum_lag==0 && it==1
y = endogenousvariables(:,it); % Values at previous period, also used as guess value for current period
ylag = [];
else
y = endogenousvariables(:,it-1); % Values at previous period, also used as guess value for current period
ylag = y(iyb);
end
if ismember(options.solve_algo, [12,14])
[tmp, check] = dynare_solve(dynamicmodel_s, y, options, M.isloggedlhs, M.isauxdiffloggedrhs, M.endo_names, M.lhs, ...
dynamicmodel, ylag, exogenousvariables, M.params, steadystate, it);