This study analyzes the effects of six different credit rating announcements on systematic and unsystematic risk in Spanish companies listed on the Electronic Continuous Stock Market from 1988 to 2010. We use an extension of the event study dummy approach that includes direct effects on beta...

This study analyzes the effect of corporate bond rating changes over stock prices. We explore the effects over excess of returns and systematic risk. Rating changes by Moody´s, Standard and Poor´sor FitchIBCA are analyzed. On an efficient market, these changes will omly have some effect if...

This study examines the existing relationship between announcements of debt rating changes for companies listed on the Spanish stock exchange and the liquidity of their stocks for the period of 2000 to 2010. Liquidity around the announcement day is analyzed using different liquidity measures...

We test whether or not different rating announcements contain pricing-relevant information and modify trading activity patterns in the Spanish commercial paper and corporate bond markets. We observe a statistically significant widening of yield spreads in both segments of the corporate debt...

This paper tests the response of bond yield spreads and equity prices to credit rating changes in the Australian financial market. Unlike some earlier studies for foreign markets, we find evidence that both yield spreads and equity prices move in the ‘expected’ direction following rating...

The problem of proper beta (measure of systematic risk) estimation is crucial both for academic considerations and financial market practice purposes. There is a group of empirical studies that questioned the assumption of beta time-invariance, while only some of them tried to model the process...

We study the behavior and interaction of systematic and idiosyncratic components of risk in a cross-section of U.K. stocks. We find no clear evidence of a trend in any component of total risk, but we document different “regimes” in the behavior of each component of total risk, in their...

This paper studies the impact of credit rating agency (CRA) announcements on the value of the Euro and the yields of French, Italian, German and Spanish long-term sovereign bonds during the culmination of the Eurozone debt crisis in 2011-2012. The employed GARCH models show that CRA downgrade...

This paper studies the impact of credit rating agency (CRA) announcements on the value of the Euro and the yields of French, Italian, German and Spanish long-term sovereign bonds during the culmination of the Eurozone debt crisis in 2011-2012. The employed GARCH models show that CRA downgrade...