@article{rocha_gala_2011,  title={Câmbio real, poupança doméstica e poupança externa: análise teórica e evidências empíricas},  volume={21},  ISSN={0103-6351},  url={https://doi.org/10.1590/S0103-63512011000300002},  DOI={10.1590/S0103-63512011000300002},  number={3},  journal={Nova Economia},  publisher={Nova Economia},  author={Rocha, Marcos and Gala, Paulo},  year={2011},  month={Sep},  pages={351–367} }