We model the unsecured overnight market in the United Kingdom as a network of relationships and examine how the structure has changed over the recent period of crisis. Using established network techniques, we find strong evidence of the existence of a core of highly connected banks alongside a...

This paper studies banks' incentives regarding the timing of payment submissions in a collateral-based RTGS payment system and how these incentives change with the introduction of a liquidity-saving mechanism (LSM). We show that an LSM allows banks to economise on collateral while also providing...