@article{alper2009aargpb,
  title={Asymmetric adjustment of retail gasoline prices in turkey to world crude oil price changes: the role of taxes},
  author={Alper, C Emre and Torul, Orhan},
  journal={Economics Bulletin},
  volume={29},
  number={2},
  pages={775--87},
  year={2009},
  publisher={AccessEcon}
}