The generic name given to a country's primary monetary authority which performs a number of key functions: issuing the nation's currency; regulating the supply of credit in the economy; managing the external value of its currency in the foreign exchange markets; holding deposits which represent reserves of other banks and other
central banks; acting as fiscal agent for the central government, when the government sells new issues of securities to finance its operations; and attempting to maintain an orderly market in these securities by actively participating in the government securities market. Major
central banks are the Federal Reserve in USA (
Fed), the Bank of England (
Boe), the European Central Bank (
ECB) and the Bank of Japan (
BoJ).