重要事項 Import Notes

重要事項 Import Notes
修習國際金融專題學生,
請務必參見 課程網頁維護重要事項 Import Notes
Registered students MUST see the Import Notes

2009-09-25

Covered interest parity arbitrage and temporal long-termdependence between the US dollar and the Yen

文獻來源
Jonathan A. Batten, Peter G. Szilagyi.(2007)"Covered interest parity arbitrage and temporal long-termdependence between the US dollar and the Yen," Journal of Economics, Econometrics and Finance. p409-p421.

原文連結至DOI



重點摘要 2009/10/25

一、基本理論
本篇文章主要應用拋補性利率評價說,說明套利之間的關係。

二、研究方法
1.將利率與即期匯率資料代入CIP理論,求出預期的遠期匯率,再計算預期的遠期匯率與實際市場報價的遠期匯率之差距。
2.使用變異數分析,用F值檢定不同情況之下每年的母體平均數是否相等,驗證每年之母體平均數是否獨立。
3.使用Hurst exponent去觀察遠期匯率在預期上與實際上差距的走勢與敏感度,說明套利的機會走勢。

三、需要的數據
市場上1月、3月、6月及一年期利率和遠期市場匯率,即期市場匯率。

四、主要實證結果
文章證實,每年平均的h值小於0.5,顯示其預期與實際遠期匯率之差在時間序列上的變動,為正負交替影響。並且在2000年後套利機會明顯趨於零。作者將此套利機會減少的現象歸因於,電子交易平台的盛行,使匯率市場可以馬上反應價格系統的變動,改進了外匯市場的操作效率。

五、困難處或遭遇之問題
1.由於local Hurst exponent在中文書籍上較沒有提到,所以需花時間找資料。
2.本篇文章利用不同到期日的利率去計算,預估與實際遠期匯率之差,在計算上較為複雜。

六、參考資料
(1)hurst exponent的介紹
http://www.bearcave.com/misl/misl_tech/wavelets/hurst/

1 則留言:

YukiLiu 提到...

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== Posted on 2009.10.05 ==
請同學在你所選的 paper 加上
標籤:「已選」
在你的 學習紀錄頁加上標籤:學習記事