The euro-area sovereign debt crisis was characterized by feedback loops between (1) sovereign bond ratings and sovereign spreads in single jurisdictions and (2) sovereign spreads and ratings among jurisdictions. One explanation of this circumstance is that the ECB was unable to perform the role...

We examine the impact of the ECB’s Securities Market Program (SMP) and the ECB’s two Covered Bond Purchase Programs (CBPPs) on sovereign bond spreads and covered-bond prices, respectively, for five euro-area stressed countries -- Greece, Ireland, Italy, Portugal, and Spain. Our data are...