"Replacing the dollar with an artificial currency would solve some of the problems related to the potential of countries running large deficits and would help stability," said Detlef Kotte, one of the report's authors. "But you will also need a system of managed exchange rates. Countries should keep real exchange rates [adjusted for inflation] stable. Central banks would have to intervene and if not they would have to be told to do so by a multilateral institution such as the International Monetary Fund."