@article{faíña medín_lópez rodríguez_lópez rodríguez_2003,  title={Information exchanges in cournot duopolies},  volume={57},  ISSN={0034-7140},  url={https://doi.org/10.1590/S0034-71402003000100007},  DOI={10.1590/S0034-71402003000100007},  number={1},  journal={Revista Brasileira de Economia},  publisher={Fundação Getúlio Vargas},  author={Faíña Medín, J. Andrés and López Rodríguez, Jesús and López Rodríguez, José},  year={2003},  month={Jan},  pages={191–208} }