100地特國際經濟學 未拋補利率平價 - 考試
By Linda
at 2013-11-28T22:42
at 2013-11-28T22:42
Table of Contents
100地特四等 第4題
(二)已知美元兌新臺幣的即期匯率為 1 美元可兌換 30.2 元新臺幣,一年期的美元存款
利率為4%,一年期的新臺幣存款利率為2%。按未拋補利率平價說,美元兌新臺幣的一年期
遠期匯率應為多少?
(三)如果一年期遠期匯率並非如(二)所得之結果,而是1美元可兌換29.8元新臺幣,則套
利者應如何套利?此時獲利率為何?
http://wwwc.moex.gov.tw/ExamQuesFiles/Question/100/100240_41530.pdf
由未拋補利率平價條件可計算出(二)新台幣兌美元的一年期遠期匯率 = 29.596
關於(三)有二個想法:
1. 當前遠期匯率 F = 29.8 > 29.596 隱含遠期匯率高估→預期未來即期匯率會下跌
故應賣出遠期美元進行投機 獲利率為(29.8-29.596)/29.596 *100% = 0.69%
2. 仍按未拋補利率平價 2% < 4% + (29.8-30.2)/30.2 (=2.675%)
故套利者應買入美元資產 獲利率為2.675%
又 公職王的答案是 一元新台幣投資美元資產的獲利率為
(29.8/30.2)(1+4%)-(1+2%) = 0.625% (算出來應該是0.6225)
請問此小題應作何解? 公職王答案的列式又為何要減除(1+2%)? 是考量機會成本嗎?
--
(二)已知美元兌新臺幣的即期匯率為 1 美元可兌換 30.2 元新臺幣,一年期的美元存款
利率為4%,一年期的新臺幣存款利率為2%。按未拋補利率平價說,美元兌新臺幣的一年期
遠期匯率應為多少?
(三)如果一年期遠期匯率並非如(二)所得之結果,而是1美元可兌換29.8元新臺幣,則套
利者應如何套利?此時獲利率為何?
http://wwwc.moex.gov.tw/ExamQuesFiles/Question/100/100240_41530.pdf
由未拋補利率平價條件可計算出(二)新台幣兌美元的一年期遠期匯率 = 29.596
關於(三)有二個想法:
1. 當前遠期匯率 F = 29.8 > 29.596 隱含遠期匯率高估→預期未來即期匯率會下跌
故應賣出遠期美元進行投機 獲利率為(29.8-29.596)/29.596 *100% = 0.69%
2. 仍按未拋補利率平價 2% < 4% + (29.8-30.2)/30.2 (=2.675%)
故套利者應買入美元資產 獲利率為2.675%
又 公職王的答案是 一元新台幣投資美元資產的獲利率為
(29.8/30.2)(1+4%)-(1+2%) = 0.625% (算出來應該是0.6225)
請問此小題應作何解? 公職王答案的列式又為何要減除(1+2%)? 是考量機會成本嗎?
--
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