TY - JOUR TI - Testing for a unit root in the nonlinear STAR framework AU - George Kapetanios AU - Yongcheol Shin AU - Andy Snell JO - Journal of Econometrics PY - 2002 VL - 112 IS - 2 DO - 10.1016/s0304-4076(02)00202-6 UR - https://doi.org/10.1016/s0304-4076(02)00202-6 ER -