@article{castor_2022,  title={PUBLIC BANKS AND BANKING COMPETITION},  volume={26},  ISSN={1415-9848},  url={https://doi.org/10.1590/198055272623},  DOI={10.1590/198055272623},  journal={Revista de Economia Contemporânea},  publisher={Instituto de Economia da Universidade Federal do Rio de Janeiro},  author={Castor, Kamaiaji de Souza},  year={2022},  pages={e222623} }