Thanks to an analysis of structural changes in abnormal spread series, we stress specific investors' reactions to rating actions. These reactions are much more usual when the issues are in sterlings than in euros. When reacting in the euro area, investors mainly react after banks' and public...

Do rating announcements reduce information asymmetries? We investigate the effect of rating disclosures on the volatility and liquidity of the US bond market. Although rating agencies' decisions often are anticipated by credit spread changes, we show that in the case of no regulatory change...