Using the Eurosystem's proprietary interbank loan data from more than one thousand banks, practically all major banks in Europe for 2008-2016, we show that larger European banks have had a lower cost of overnight borrowing than smaller banks. The size premium remains significant after...

We investigate the relationship between the daily average interbank overnight borrowing rate (AOR) and the credit default swap price (CDS) of 60 banks using the Eurosystem’s proprietary data from mid-2008 to mid-2013. We find that the AOR which is observable only by the competent Eurosystem...