Chung-Hua University Repository:Item 987654321/35697
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    Please use this identifier to cite or link to this item: http://chur.chu.edu.tw/handle/987654321/35697


    Title: 與時變動之系統風險探討-以轉換迴歸模型為例
    Authors: 李愷莉
    Li, Kai-Li
    Contributors: 財務管理學系
    Finance
    Keywords: 與時變動貝它值;轉換迴歸模型
    time-varying teta;switching regression model
    Date: 2012
    Issue Date: 2014-06-27 10:46:28 (UTC+8)
    Abstract: 過去衡量基金績效時,通常是在基金經理人採取固定的系統風險假設下處理,但基金經理人為了提高績效,通常會依市場情況調整投資部位,而隨著經理人持續買入或賣出證券以獲取較高報酬率的交易活動,基金投資組合的系統風險也隨之變動。依此觀點,本文想討論基金經理人執行買入策略和賣出策略兩種情況下,選擇的系統風險是否顯著不同。樣本期間自2005年到2009年共五年的基金淨值日資料,符合條件的基金共有146支,分析時以市場上常用之技術指標值為依據,決定經理人買入和賣出決策的時點,再以最大概似法估計基金在兩種狀態下的貝它值及機率
    Many studies always assumed the systematic risks fund managers facing are stationary when measuring the mutual funds’ performance. While the fund managers revised their portfolio position according the market circumstances in order to get better performan
    Appears in Collections:[Department of Finance] Journal Articles

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