@article{econhot_econhot-cited-d854521f67a340a3,
  title = {Unit root tests in panel data: asymptotic and finite-sample properties},
  author = {Andrew Levin and Chien‐Fu Lin and Chia-Shang James Chu},
  journal = {Journal of Econometrics},
  year = {2002},
  volume = {108},
  number = {1},
  pages = {1-24},
  doi = {10.1016/s0304-4076(01)00098-7},
  url = {https://doi.org/10.1016/s0304-4076(01)00098-7}
}