RAMÍREZ, J. C.; SANDOVAL SAAVEDRA, R. A proposal to evaluate stock performance forecasts when empirical distributions are not normally stationary. Estudios Económicos de El Colegio de México, [S. l.], v. 18, n. 2, p. 237–277, 2003. DOI: 10.24201/ee.v18i2.182. Disponível em: https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/182. Acesso em: 17 jul. 2024.