This is a comprehensive state-of-the-art survey which analyzes institutions, policies and issues of central banking in developing countries including interest-free Islamic and transition economies. It discusses objectives and functions; monetary, exchange, supervisory and developmental roles; financial liberalization; informal finance; causes and implications of central bank losses. It critically evaluates currency boards, central bank independence, ceilings on government credit and suggests radical organizational reforms, divestiture of quasi-fiscal activities and partial privatization of central banks.