Coding problem

# rbc.yaml name: Real Business Cycle symbols: states: [z, k] controls: [i, n] exogenous: [e_z] parameters: [beta, sigma, eta, chi, delta, alpha, rho, zbar, sig_z] definitions: y: z*k^alpha*n^(1-alpha) c: y - i rk: alpha*y/k w: (1-alpha)*y/n equations: arbitrage: - 1 - beta*(c/c(1))^(sigma)*(1-delta+rk(1)) | 0 <= i <= inf - chi*n^eta*c^sigma - w | 0 <= n <= inf transition: - z = (1-rho)*zbar + rho*z(-1) + e_z - k = (1-delta)*k(-1) + i(-1) calibration: # parameters sig=1 and eta=1 imply natural log preferences beta : 0.99 delta : 0.025 alpha : 0.33 rho : 0.8 sigma: 1 eta: 1 sig_z: 0.016 zbar: 1 chi : 0.5 # endogenous variables n: 0.33 k: n/(rk/alpha)^(1/(1-alpha)) w: (1-alpha)*z*(k/n)^(alpha) i: delta*k y: z*k^alpha*n^(1-alpha) c: y - i z: zbar rk: 1/beta-1+delta exogenous: !Normal Sigma: [ [ sig_z**2] ]