一、日元汇率波动的历史战后初期,由于实际处在美军司令部的占领之下,日本政府独立的对外交易权事实上已被禁止。就外汇业务来说,外币、外汇交易、外汇银行都在美军管制之下或压根儿就不存在。就汇率而言,战败后不到一个月,日本就被迫采取了1美元兑换15日元的军用兑换汇率。然而,当冷战格局出现后, First, the history of the exchange rate fluctuations in the yen The early postwar period, due to the actual occupation of the US military command, the Japanese government’s independent foreign exchange rights have in fact been banned. In the case of the foreign exchange business, foreign currencies, foreign exchange transactions and foreign exchange banks are either under the control of the U.S. military or not at all. In terms of exchange rates, less than a month after its defeat, Japan was forced to take a military exchange rate of one dollar to 15 yen. However, when the cold war pattern emerged,