TY - JOUR TI - Critical Values for Cointegration Tests in Heterogeneous Panels with Multiple Regressors AU - Peter L. Pedroni JO - Oxford Bulletin of Economics and Statistics PY - 1999 VL - 61 IS - s1 DO - 10.1111/1468-0084.61.s1.14 UR - https://doi.org/10.1111/1468-0084.61.s1.14 ER -