CHEN, K.; MARCUS, R. D. Estimating the Discount Rate of S&P 500 Portfolio With Cointegration Analysis. Journal of Accounting and Finance, [S. l.], v. 20, n. 5, 2020. Disponível em: https://articlearchives.co/index.php/JAF/article/view/224. Acesso em: 12 oct. 2025.