美联储：估算流通中的假冒美国货币数量（英文版）

The incidence of currency counterfeiting and the possible total stock of counterfeits in circulation are popular topics of speculation and discussion in the press and are of substantial practical interest to the Federal Reserve, the U.S. Treasury and the United States Secret Service (USSS), who are jointly responsible for U.S. banknote design, including security features, and production. This paper assembles data from Federal Reserve and USSS sources and presents a range of estimates for the