高宏的期末大作业,要求复制一个论文的成果,我找的这篇自带了一阶条件和稳态,我自己用fsolve算的稳态和他的一样,但是用dynare跑提示不满足BK条件,求助各位大佬帮我看看应该怎么修改。变量初始和参数全是按照文章给的设的,只有两个冲击的rho是我自己设的0.91.
var Q,PA,K,LL,LM,LA,CA,CM,I,TR,PL;
varexo etr,epl,PM,X,PX;
parameters d,th,b,ch,a,ga,f,rtr,rpl,A;
d=0.03;
th=0.58;
b=0.98;
ch=0.68;
a=0.18;
ga=0.12;
f=0.29;
rtr=0.91025;
rpl=0.91025;
A=1;
model;
CM*PM=f*CA*PA;
CA*PA=LL*(PA*A*a*LA^(a-1)*K^th*X^ga+PL);
CA(+1)*PA(+1)/b/CA/PA=1-d+PA(+1)*A*th*LA(+1)^a*K(+1)^(th-1)*X(+1)^ga;
Q=A*LA^a*K^th*X^ga;
LL+LM+LA=1;
PM*CM=PA*(Q-CA)-PX*X+PL*LM-I+TR;
K(+1)=(1-d)*K+I;
PA*A*LA^a*K^th*ga*X^(ga-1)=PX;
PA*A*a*LA^(a-1)*K^th*X^ga=PL;
log(PL)=rpl*log(PL(-1))+epl;
log(TR)=rtr*log(TR(-1))+etr;
end;
initval;
Q=3.1218;
PA=0.138;
K=13.48;
LL=0.057;
LM=0.7818;
LA=0.1612;
CA=0.5657;
CM=0.0362;
I=0.4125;
TR=0.1;
PL=0.45;
X=0.35;
PX=0.15;
PM=0.6;
etr=0;
epl=0;
end;
steady;
check;
shocks;
var etr;stderr 0.01;
var epl;stderr 0.01;
end;
stoch_simul;
运行结果
STEADY-STATE RESULTS:
Q 1.42468
PA 0.307086
K 5.03391
LL 0.60202
LM 0.31923
LA 0.07875
CA 3.92086
CM 0.581953
I 0.151017
TR 0.999999
PL 1
EIGENVALUES:
Modulus Real Imaginary
0.8501 0.8501 0
0.9102 0.9102 0
0.9103 0.9103 0
1.141 1.141 0
2.749e+018 -2.749e+018 0
3.778e+022 -3.778e+022 0
There are 3 eigenvalue(s) larger than 1 in modulus
for 4 forward-looking variable(s)
The rank condition ISN'T verified!
error: Blanchard Kahn conditions are not satisfied: indeterminacy