... Leinonen, H (2005) (ed), ‘Liquidity, risks and speed in payment and settlement systems – a simulation approach’, Bank of Finland Studies, E: 31. Leinonen, H (2007) (ed), ‘Simulation studies ... Bank’s working paper series can be found atwww.bankofengland.co.uk/publications/workingpapers/index.htmPublications Group, Bank of England, Threadneedle Street, London, EC2R 8AH Telephone +44 ... decreasing delay costs are reduced. The relationship between τ and RTGS delay costs is generally non-monotonic: when liquidity is scarce, it is not convenient to route too many payments to RTGS:...