We use a unique dataset of ratings for euro area corporate loans from commercial banks' internal rating-based (IRBs) systems and central banks' in-house credit assessment systems (ICASs) to investigate whether banks' IRB ratings underestimate the credit risk of their corporate loan portfolios...

The in-house credit assessment systems (ICASs) developed by euro area national central banks (NCBs) are an important source of credit risk assessment within the Eurosystem collateral framework. They allow counterparties to mobilise as collateral the loans (credit claims) granted to non-financial...

We use a unique dataset of ratings for euro area corporate loans from commercial banks’ internal rating-based (IRBs) systems and central banks’ in-house credit assessment systems (ICASs) to investigate whether banks’ IRB ratings underestimate the credit risk of their corporate loan...