EconPapers    
Economics at your fingertips  
 

Sovereign credit ratings, market volatility, and financial gains

Antonio Afonso, Pedro Gomes and Abderrahim Taamouti

Computational Statistics & Data Analysis, 2014, vol. 76, issue C, 20-33

Abstract: The reaction of EU bond and equity market volatilities to sovereign rating announcements (Standard & Poor’s, Moody’s, and Fitch) is investigated using a panel of daily stock market and sovereign bond returns. The parametric volatilities are defined using EGARCH specifications. The estimation results show that upgrades do not have significant effects on volatility, but downgrades increase stock and bond market volatility. Contagion is present, and sovereign rating announcements create interdependence among European financial markets with upgrades (downgrades) in one country leading to a decrease (increase) in volatility in other countries. The empirical results show also a financial gain and risk (value-at-risk) reduction for portfolio returns when taking into account sovereign credit ratings’ information for volatility modelling, with financial gains decreasing with higher risk aversion.

Keywords: Sovereign ratings; Yields; Stock market returns; Volatility; EGARCH; Optimal portfolio; Financial gain; Risk management; Value-at-risk (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (26)

Downloads: (external link)
http://www.sciencedirect.com/science/article/pii/S0167947313003526
Full text for ScienceDirect subscribers only.

Related works:
Working Paper: Sovereign credit ratings, market volatility, and financial gains (2014) Downloads
Working Paper: Sovereign credit ratings, market volatility, and financial gains (2014) Downloads
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:eee:csdana:v:76:y:2014:i:c:p:20-33

DOI: 10.1016/j.csda.2013.09.028

Access Statistics for this article

Computational Statistics & Data Analysis is currently edited by S.P. Azen

More articles in Computational Statistics & Data Analysis from Elsevier
Bibliographic data for series maintained by Catherine Liu ().

 
Page updated 2025-03-29
Handle: RePEc:eee:csdana:v:76:y:2014:i:c:p:20-33