想要模拟的是连续5个时期的需求冲击
求大神指导一下
var Y pi;
varexo v;
parameters Yba, pix, alpha, rho, fh, thetapi, thetaY;
Yba= 100;
pix= 2;
alpha= 1;
rho= 2;
fh= 0.25;
thetapi= 0.5;
thetaY= 0.5;
model(linear);
Y= Yba-(alpha*thetapi)/(1+alpha*thetaY)*(pi-pix)+1/(1+alpha*thetaY)*v;
pi= pi(-1)+fh*(Y-Yba);
end;
initval;
Y = 100;
pi= 2;
end;
shocks;
var v;
periods 5:9;
values 1;
end;
stoch_simul(periods=900,order=1,irf=40,drop=400,aim_solver) Y pi;



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