@article{ferreira_ellery jr_1996,  title={Crescimento econômico, retornos crescentes e concorrência monopolista },  volume={16},  ISSN={0101-3157},  url={https://doi.org/10.1590/0101-31571996-0928},  DOI={10.1590/0101-31571996-0928},  number={2},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={FERREIRA, PEDRO CAVALCANTI and ELLERY JR, ROBERTO},  year={1996},  month={Apr},  pages={252–273} }