DONAHUE, John; RIOTTO, Joseph. The Information Content of Credit Ratings for Equity Investors. Journal of Finance Issues, [S. l.], v. 5, n. 1, p. 231–244, 2007. DOI: 10.58886/jfi.v5i1.2605. Disponível em: https://jfi-aof.org/index.php/jfi/article/view/2605. Acesso em: 20 may. 2026.