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Merge branch 'mcp_ramsey' of git.dynare.org:JohannesPfeifer/dynare 

See merge request !1874
time-shift
Sébastien Villemot 2021-06-16 17:39:54 +02:00
parent 88b427f7bc 1d10659b59
commit 18a172bd45
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3 changed files with 34 additions and 3 deletions
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3
matlab/lmmcp/get_complementarity_conditions.m
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@ -52,9 +52,6 @@ etags = M_.equations_tags;
for i=1:size(etags,1)
if strcmp(etags{i,2},'mcp')
eq_nbr = etags{i,1};
if ramsey_policy
eq_nbr = eq_nbr + M_.ramsey_eq_nbr;
end
str = etags{i,3};
kop = strfind(etags{i,3},'<');
if ~isempty(kop)

1
tests/Makefile.am
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@ -7,6 +7,7 @@ MODFILES = \
lmmcp/rbcii.mod \
lmmcp/purely_backward.mod \
lmmcp/purely_forward.mod \
lmmcp/MCP_ramsey.mod \
ep/rbc_mc.mod \
estimation/TaRB/fs2000_tarb.mod \
observation_trends_and_prefiltering/MCMC/Trend_loglin_no_prefilt_first_obs_MC.mod \

33
tests/lmmcp/MCP_ramsey.mod Normal file
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@ -0,0 +1,33 @@
//Toy model of Alichi et al. (2015): Avoiding Dark Corners: A Robust Monetary Policy Framework for the United States
// checks whether lmmcp works with ramsey_model
var i y pi;
varexo e_y e_pi;
parameters beta1 beta2 beta3 lambda1 lambda2 pi_bar;
beta1 = 0.6;
beta2 = 0.25;
beta3 = -0.2;
lambda1 = 0.7;
lambda2 = 0.1;
pi_bar = 2.0;
model;
[mcp = 'i > 0']
y = beta1*y(-1) + beta2*y(+1) + beta3*(i-pi(+1)) + e_y;
pi = lambda1*pi(+1) + (1-lambda1)*pi(-1) + lambda2*y + e_pi;
end;
planner_objective (pi-pi_bar)^2 + y^2;
ramsey_model(planner_discount=1.0);
histval;
y(0) = -2.0;
pi(0) = 1.0;
end;
steady;
perfect_foresight_setup(periods=50);
perfect_foresight_solver(lmmcp);
rplot i;