Currencies of countries with persistent current account surpluses and high foreign currency denominated assets such as the Swiss franc and Japanese yen are under a persistent appreciation pressure, what restricts the degree of freedom in the choice of exchange rate regime. Official announcements...

Should central banks intervene in currency markets? In theory, within a flexible system, central banks should leave the process of determining appropriate exchange rates to the currency markets. In practice, however, central banks have frequently intervened to 'manage' the exchange rates...