spreads as it modifies both the level and shape of the curves. When a bond portfolio is considered, the presence of dependence …

evidence on the informational value of bond ratings for financial investors. In this study we examine the relationship between … bond ratings and credit spreads for US corporate bonds using a Granger causality approach in panel data sets. The findings … indicate that ratings generally carry some informational value for corporate bond investors. The causal relationship is more …

observations of German bank bond prices, based on the default-free term structure estimated from the Svensson (1994) model provided … depend on the estimation period and on the bond used for estimation. This result strongly supports separate estimation over …