@article{carvalho_isabella_mazzon_2019,  title={Thresholds Are Everywhere: A Systems Approach to Public Policy},  volume={16},  ISSN={1807-7692},  url={https://doi.org/10.1590/1807-7692bar2019180106},  DOI={10.1590/1807-7692bar2019180106},  number={3},  journal={BAR - Brazilian Administration Review},  publisher={ANPAD - Associação Nacional de Pós-Graduação e Pesquisa em Administração},  author={Carvalho, Hamilton Coimbra and Isabella, Giuliana and Mazzon, José Afonso},  year={2019},  pages={e180106} }