IntroductionWhen a country tried to hold the value of its currency within some range of a reference currency, dirty float exists当一个国家在某些参
考货币的范围内保持其货币的价值，那么就会形成肮脏浮动 汇率Countries that adopt a fixed exchange rate system fix their currencies against each other国家采取的固定汇率制度来保护本国货币对
抗外来的威胁Prior to the introduction of the euro, some European Union countries operated with fixed exchange rates within the context of the European Monetary System (EMS)在推出欧元之前一些欧盟国家在欧洲货
币体系范围内经营固定汇率山东经济学院·国际贸易学院 School of International Trade, Shandong Economic University 1-4