This study divides the world into currency zones according to the co-movement of each currency with the key currencies. The dollar zone groups economies that produce well over half of global GDP. The euro zone now includes almost all of Europe and some commodity producers, but remains less than...

We investigate how the use of a currency transmits monetary policy shocks in the global banking system. We use newly available unique data on the bilateral crossborder lending flows of 27 BIS-reporting lending banking systems to over 50 borrowing countries, broken down by currency denomination...

The Chinese authorities described the management of the renminbi after its 2005 unpegging from the US dollar as involving a basket of trading partner currencies. Outside analysts have detected few signs of such management. We find that, in the two years from mid-2006 to mid-2008, the renminbi...