Although credit ratings are meant to foretell a firm's risk of default, anecdotal evidence
suggests that they actually influence the firm's probability of default. This paper provides …

International evidence show that emerging countries upgraded to investment grade (IG)
presented stock exchange volatility mitigation. This article evaluates volatility path of …

A elevação de economias emergentes ao status de Grau de Investimento (GI) atesta que o
país premiado seja seguro para o investimento, ou seja, que a disposição e capacidade do …

An expanding strand of macro-finance investigates whether the relationship between asset
prices and their fundamental determinants are stable or vary through time. Empirical results …

Esse artigo avalia o impacto que a concessão do primeiro grau de investimento produz sobre
a volatilidade das bolsas de Page 1 1 GRAU DE INVESTIMENTO E INCERTEZA NO …

This paper evaluates the impact of the first investment grade in the volatility of the stocks
exchange in emerging markets. With data from five countries, using deterministic volatility …