Guatemalan quetzal 5, 10, 20 and 100 quetzales, with quetzal notes added in 1933. In 1946, the Bank of Guatemala took over the issuance of paper money, with its first issues being overprints on notes of the Central Bank. Except for the introduction of 50 quetzales notes in 1967, the denominations of banknotes were unchanged until and 1 quetzal coins replaced notes at the end of the 1990s. In the top-right corner of the obverse face of each banknote, the value is displayed in Mayan numerals, representing Guatemala's cultural history. The Bank of Guatemala has introduced a polymer banknote of 1 quetzal
Monetary policy of the United States out of circulation. Purchasing treasury securities increases the monetary base (because it pays out hard currency in exchange for accepting securities). Secondly, the discount rate can be changed. And finally, the Federal Reserve can adjust the reserve requirement, which can affect the money multiplier; the reserve requirement is adjusted only infrequently, and was last adjusted in 1992. In practice, the Federal Reserve uses open market operations to influence short-term interest rates, which is the primary tool of monetary policy. The federal funds rate, for which the Federal Open Market Committee announces a target on a regular basis, reflects one of