@article{oliveira_2012,  title={Empirical Determinants of Government Efficiency: A Study Based on Objective Indicators},  volume={6},  ISSN={1981-3821},  url={https://doi.org/10.1590/1981-3895201200010003},  DOI={10.1590/1981-3895201200010003},  number={1},  journal={Brazilian Political Science Review},  publisher={Associação Brasileira de Ciência Política},  author={Oliveira, Francisca Guedes de},  year={2012},  pages={53–69} }