Do negative policy rates hinder banks' transmission of monetary policy? To answer this question, we examine the behaviour of Italian mortgage lenders using a novel loan-level dataset. When policy rates turn negative, banks with higher ratios of retail overnight deposits to total assets charge...

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...