The investment of the ECB reserves in US dollars and yen, delegated to a network of portfolio managers in the Eurosystem’s national central banks, involves a periodic assessment of performance against a common benchmark, controlled by the ECB and subject to revision on a monthly basis....

Following the emergence of the financial crisis in August 2007, the Basel Committee on Banking Supervision established in 2010 a new global regulatory framework. In addition to raising capital requirements, it introduced three ratios, two of which set out minimum standards for liquidity and...