66 lines
2.5 KiB
Matlab
66 lines
2.5 KiB
Matlab
function M_=discretionary_policy_initialization(M_,options_)
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% function M_=discretionary_policy_initialization(M_,options_)
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% INPUTS
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% - M_ [structure] Matlab's structure describing the model (M_).
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% - options_ [structure] Matlab's structure describing the current options (options_).
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%
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% OUTPUTS
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% - M_ [structure] Matlab's structure describing the model (M_).
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% Copyright © 2020 Dynare Team
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%
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% This file is part of Dynare.
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%
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% Dynare is free software: you can redistribute it and/or modify
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% it under the terms of the GNU General Public License as published by
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% the Free Software Foundation, either version 3 of the License, or
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% (at your option) any later version.
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%
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% Dynare is distributed in the hope that it will be useful,
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% but WITHOUT ANY WARRANTY; without even the implied warranty of
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% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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% GNU General Public License for more details.
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%
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% You should have received a copy of the GNU General Public License
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% along with Dynare. If not, see <https://www.gnu.org/licenses/>.
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if options_.loglinear
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% Ensure it's ok to ignore options_ returned from stoch_simul. #1197
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error('discretionary_policy is not compatible with `loglinear` option set to 1')
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end
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% safeguard against issues like running ramsey policy first and then running discretion
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if isfield(M_,'orig_model')
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M_.endo_nbr = M_.orig_model.endo_nbr;
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M_.endo_names = M_.orig_model.endo_names;
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M_.lead_lag_incidence = M_.orig_model.lead_lag_incidence;
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M_.maximum_lead = M_.orig_model.maximum_lead;
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M_.maximum_endo_lead = M_.orig_model.maximum_endo_lead;
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M_.maximum_lag = M_.orig_model.maximum_lag;
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M_.maximum_endo_lag = M_.orig_model.maximum_endo_lag;
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end
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instr_nbr=M_.endo_nbr-M_.eq_nbr;
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if instr_nbr==0
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error('discretionary_policy:: There are no available instruments, because the model has as many equations as variables.')
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end
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if size(options_.instruments,1)< instr_nbr
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error('discretionary_policy:: There are fewer declared instruments than omitted equations.')
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elseif size(options_.instruments,1)> instr_nbr
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error('discretionary_policy:: There are more declared instruments than omitted equations.')
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end
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instr_id=NaN(size(options_.instruments,1),1);
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for j=1:size(options_.instruments,1)
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vj=deblank(options_.instruments{j});
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vj_id=strmatch(vj, M_.endo_names, 'exact');
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if ~isempty(vj_id)
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instr_id(j)=vj_id;
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else
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error([mfilename,':: instrument ',vj,' not found'])
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end
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end
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M_.instr_id=instr_id;
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