@article{duarte_ozaki_2023,  title={Modeling multivariate time series with copulas: Implications for pricing revenue insurance},  volume={77},  ISSN={0034-7140},  url={https://doi.org/10.5935/0034-7140.20230010},  DOI={10.5935/0034-7140.20230010},  journal={Revista Brasileira de Economia},  publisher={Fundação Getúlio Vargas},  author={Duarte, Gislaine Vieira and Ozaki, Vitor A.},  year={2023},  pages={e102023} }