@article{econhot_econhot-cited-06d2ea0e2903a2d9,
  title = {A Comparative Study of Unit Root Tests with Panel Data and a New Simple Test},
  author = {Gangadharrao S. Maddala and Shaowen Wu},
  journal = {Oxford Bulletin of Economics and Statistics},
  year = {1999},
  volume = {61},
  number = {S1},
  pages = {631-652},
  doi = {10.1111/1468-0084.0610s1631},
  url = {https://doi.org/10.1111/1468-0084.0610s1631}
}