GrachevaA., & KopnovaE. (2022). Statistical Analysis of Assigning a Corporate Credit Rating with Regard to the Sovereign Rating in the Russian Federation. Journal of Corporate Finance Research / Корпоративные Финансы | ISSN: 2073-0438, 16(1), 65-82. https://doi.org/10.17323/j.jcfr.2073-0438.16.1.2022.65-82