In a recent editorial (cf. INTERECONOMICS, No. 3/1984, p. 101) Professor Armin Gutowski commented on the surprising increase of the external value of the US dollar which seems to defy traditional explanations of exchange rate determination. The following article presents an American...

Leaving foreign exchange markets to themselves may not lead to realistic and stable exchange rates. Thus appropriate criteria for interference must be defined. The OPTICA (Optimal Currency Area) Group which was appointed by the European Commission tried to work out appropriate rules for the EC....