During the 2007-09 financial crisis, there were severe reductions in the liquidity of financial markets, runs on the shadow banking system, and destabilizing defaults and near-defaults of major financial institutions. In response, the Federal Reserve, in its role as lender of last resort (LOLR),...

Efforts in the United States to promote bank liquidity through reserve requirements, a minimum ratio of liquid assets relative to liabilities, extend at least as far back as the aftermath of the Panic of 1837. These requirements were quite important during the National Banking Era. Nevertheless,...