刘同学2018-12-10 08:56:38

06.单选题 收藏 标记 纠错 In practice, both a fixed parity regime and a target zone regime allow the exchange rate to float within a band around the parity level. Themost likely rationale for the band is that the band allows the monetary authority to: A be less active in the currency market. B earn a spread on its currency transactions. C exercise more discretion in monetary policy. 老师，麻烦帮我解析下这道题