@article{araújo_garcia_2019,  title={Determinants and spatial dependence of innovation in Brazilian regions: evidence from a Spatial Tobit Model},  volume={29},  ISSN={0103-6351},  url={https://doi.org/10.1590/0103-6351/4456},  DOI={10.1590/0103-6351/4456},  number={2},  journal={Nova Economia},  publisher={Nova Economia},  author={Araújo, Veneziano de Castro and Garcia, Renato},  year={2019},  month={May},  pages={375–400} }