Lucena, Raphael Douglas de Freitas, Rodolfo Ferreira Ribeiro da Costa, Francisco Soares de Lima, and Luis Ivan de Melo Castelar. 2021. “Analyzing the Poverty Condition: An Application of the Empirical Mode Decomposition”. Economia Aplicada 25 (4): 493-520. https://doi.org/10.11606/1980-5330/ea159822.