TY - JOUR TI - Finite state markov-chain approximations to univariate and vector autoregressions AU - George E. Tauchen JO - Economics Letters PY - 1986 VL - 20 IS - 2 DO - 10.1016/0165-1765(86)90168-0 UR - https://doi.org/10.1016/0165-1765(86)90168-0 ER -