During the 2008-09 financial crisis, the Federal Reserve established two emergency facilities for broker-dealers. One provided collateralized loans. The other lent securities against a pledge of other securities, effectively providing collateral upgrades, an operation similar to activities...

Maintaining sufficient liquidity in the financial system is vital for financial stability. However, since returns on liquid assets are typically low, individual financial institutions may seek to hold fewer such assets, especially if they believe they can rely on other institutions for liquidity...