Specialists in international finance have long been impressed by the fragility of currency pegs. Yet Danmarks Nationalbank has been able to maintain the krone's peg to the euro since the euro came into existence in 1999, and the krone's peg to the Deutschmark and SDR for 17 years before that....

Over time, there has been a tendency for political jurisdictions and residents to converge on a single currency. Monopoly over seigniorage is a source of political power and a valuable lifeline when sovereignty is threatened. Moreover a uniform currency, insofar as it is free of counterparty and...

Why the current Bretton Woods-like international financial system, featuring large current account deficits in the center country, the United States, and massive reserve accumulation by the periphery, is not sustainable.