The agencies have also used other leverage ratios to define other PCA capital categories because experience has suggested that there is no substitute for an adequate equity-to-asset ratio, especially for entities that face the moral hazard that accompanies the safety net.
Providing a service of a neutral nature in relation to the various banking groups has always been a function of the central banks. The banking industry and the national central banks have cooperated successfully for years to devise and implement rules and systems for executing payments.