TY - JOUR TI - LAG Length Selection and the Construction of Unit Root Tests with Good Size and Power AU - Serena Ng AU - Pierre PerrĂ³n JO - Econometrica PY - 2001 VL - 69 IS - 6 DO - 10.1111/1468-0262.00256 UR - https://doi.org/10.1111/1468-0262.00256 ER -