The limitations of foreign-exchange intervention: lessons from Switzerland

Since the mid-1990s, monetary authorities in most large developed countries have backed away from foreign-exchange intervention—buying and selling foreign currencies to influence exchange rates. Switzerland’s recent experience goes a long way to illustrate why: Foreign-exchange intervention did not afford the Swiss National Bank with a means of systematically affecting the franc independent of Swiss monetary policy, and it left the Bank exposed to foreign-exchange losses. To affect exchange rates, central banks must change their monetary policies.>