小白论文要用dsge模型，第一次用，纯新手。dynare跑程序显示error('DYNARE: preprocessing failed')，不知道哪句语法有问题，麻烦大家看看是什么问题？小女子跪求各位大神

addpath c:\dynare\4.3.0\matlab

var y_i y p_i p c k i l  w r z mc;

varexo e_z e_c;

parameters beta d kappa delta ksi alpha epsilon rho tau sigma eta;

alpha = 0.476;

beta = 0.99;

delta = 1.75;

ksi = 6;

kappa = 2.359;

d = 0.025;

epsilon = 10;

sigma = 0.5237;

eta = 0.0127;

model;

(delta/c)  =  lambda;

(1-delta)/(1-l) = lambda*w;

y_i = (p_i/p)^(-ksi)*y;

y_i = z*(k^alpaha)*(l^(1-alpha));

psi*c/(1-l)  =  w;

c+i =  y;

l = ((1-alpha)*y_i/w)*mc;

k = (alpha*y_i/w)*mc;

w = y_i*((epsilon-1)/epsilon)*(1-alpha)/1;

r = y_i*((epsilon-1)/epsilon)*alpha/k(-1);

i = k-(1-d)*k(-1);

log(z) = rho*log(z(-1))+e_z;

log(c) = tau*log(c(-1))+e_c;

end;

initval;

y_i =0；

y = 0;

p_i = 0;

p = 0;

I =0;

k = 0;

c = 0;

l = 0;

w = 0;

r = 0;

z = 0;

mc= 0;

e_z = 0;

e_c = 0；

end;

steady;

check;

shocks;

var e_z = sigma^2;

var e_c = eta^2;

end;

stoch_simul;