@article{
  author = {Mehregan, Nader, Haghani, Mahmood, Salmani, Younes},
  title = {Asymmetric Effects of Oil Price Shocks on Economic Growth of OPEC and OECD by focusing on Shocks Setting and Regime Changes},
  journal = {Economic  Modeling},
  year = {2012},
  volume = {6},
  number = {20},
  pages = {1-20},
  doi = {}
}