@article{gallardo_2005,  title={Comparative advantage, economic growth and free trade},  volume={9},  ISSN={1415-9848},  url={https://doi.org/10.1590/S1415-98482005000200004},  DOI={10.1590/S1415-98482005000200004},  number={2},  journal={Revista de Economia Contemporânea},  publisher={Instituto de Economia da Universidade Federal do Rio de Janeiro},  author={Gallardo, Julio López},  year={2005},  month={May},  pages={313–335} }