@article{maia_menezes_2014,  title={Economic growth, labor and productivity in Brazil and the United States: a comparative analysis},  volume={34},  ISSN={0101-3157},  url={https://doi.org/10.1590/S0101-31572014000200003},  DOI={10.1590/S0101-31572014000200003},  number={2},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={Maia, Alexandre Gori and Menezes, Esther},  year={2014},  month={Apr},  pages={212–229} }