Pagin, Fernanda; Gomes, Matheus da Costa; Antônio, … - In: Journal of Economics, Finance and Administrative Science 26 (2021) 51, pp. 112-126
Purpose - This paper aims to identify if there is an impact of the rating announcements issued by the agencies on the returns of the stocks of Brazilian companies listed on Brasil Bolsa Balcão, from August 2002 to August 2018, identifying which types of announcement (upgrade, downgrade or the...
