Antonakakis, Nikolaos (2012): Dynamic Correlations of Sovereign Bond Yield Spreads in the Euro zone and the Role of Credit Rating Agencies' Downgrades.
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The European debt crisis that followed the global financial crisis, erupting first with Greece, then Ireland, Portugal, Italy and Spain, has threatened the very existence of the Euro zone. In this paper we examine the evolution of dynamic co-movements of sovereign bond yield spreads (BYS) in the Euro zone and the role of credit rating agency downgrades on those co-movements. Estimation results from a multivariate DCC-GARCH model on daily BYS data for nine Euro zone countries over the period 2007-2012 suggest an inverted U-shaped curve of BYS co-movements during the period of the financial and debt crisis. Credit rating downgrades by major rating agencies indicate rather idiosyncratic patterns of government bond yield spreads co-movements within and between the Euro zone periphery and the core.
|Item Type:||MPRA Paper|
|Original Title:||Dynamic Correlations of Sovereign Bond Yield Spreads in the Euro zone and the Role of Credit Rating Agencies' Downgrades|
|Keywords:||Government bond yield spreads; credit rating agencies; dynamic conditional correlations; Euro zone sovereign debt crisis|
|Subjects:||C - Mathematical and Quantitative Methods > C3 - Multiple or Simultaneous Equation Models; Multiple Variables > C32 - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models
E - Macroeconomics and Monetary Economics > E4 - Money and Interest Rates > E43 - Interest Rates: Determination, Term Structure, and Effects
G - Financial Economics > G1 - General Financial Markets > G12 - Asset Pricing; Trading volume; Bond Interest Rates
G - Financial Economics > G2 - Financial Institutions and Services > G24 - Investment Banking; Venture Capital; Brokerage; Ratings and Ratings Agencies
|Depositing User:||Nikolaos Antonakakis|
|Date Deposited:||04. Dec 2012 17:20|
|Last Modified:||13. Feb 2013 08:50|
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