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...

This paper sketches the outlines of the new international monetary system that has emerged in the aftermath of the global financial crisis. At the center of the system, a network of central bank swaps between the six major central banks serves as an elastic backstop for private foreign exchange...