@article{fernandes_porcile_2007,  title={Um modelo evolucionário Norte-Sul},  volume={27},  ISSN={0101-3157},  url={https://doi.org/10.1590/S0101-31572007000400008},  DOI={10.1590/S0101-31572007000400008},  number={4},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={Fernandes, André Luiz and Porcile, Gabriel},  year={2007},  month={Oct},  pages={633–650} }