Marcal, Emerson, e Pedro Pereira. 2014. Evaluating the Existence of Structural Change in the Brazilian Term Structure of Interest Rate: Evidence Based on Hansens Cointegration Models With Structural Break. São Paulo Journal of Mathematical Sciences 8 (2), 211-39. https://doi.org/10.11606/issn.2316-9028.v8i2p211-239.