@article{simões_macedo-soares_klotzle_pinto_2012,  title={Assessment of market efficiency in Argentina, Brazil and Chile: an event study of mergers and acquisitions},  volume={9},  ISSN={1807-7692},  url={https://doi.org/10.1590/S1807-76922012000200007},  DOI={10.1590/S1807-76922012000200007},  number={2},  journal={BAR - Brazilian Administration Review},  publisher={ANPAD - Associação Nacional de Pós-Graduação e Pesquisa em Administração},  author={Simões, Mario Domingues and Macedo-Soares, T. Diana L. van Aduard de and Klotzle, Marcelo Cabus and Pinto, Antonio Carlos Figueiredo},  year={2012},  month={Apr},  pages={229–245} }