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),...

The past two decades have seen the construction of a tiered system of international liquidity provision, the first tier including those whose credit is sufficient for a swap line with the Fed, the second tier including those who can offer acceptable collateral to the Fed, and the third tier...