Merli, Maxime; Schatt, Alain - Laboratoire de Recherche en Gestion (LaRGE), Institut … - 2003
The object of this paper is to study the impact of successive changes in ratings of a leading firm on competitors of the same sector. Two courses of research are being mobilized regarding, on the one hand, the incidence of downgrading of ratings on the value of the firms and on the other hand,...