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...

Contrary to the expectations of those who advocated flexible exchange rates prior to 1973, Williamson, in his study on exchange rate flexibility and reserve use, presented data which suggested “the paradoxical conclusion that reserve use actually increased following the adoption of...