TY  - JOUR
TI  - Unit root tests in panel data: asymptotic and finite-sample properties
AU  - Andrew Levin
AU  - Chien‐Fu Lin
AU  - Chia-Shang James Chu
JO  - Journal of Econometrics
PY  - 2002
VL  - 108
IS  - 1
DO  - 10.1016/s0304-4076(01)00098-7
UR  - https://doi.org/10.1016/s0304-4076(01)00098-7
ER  -