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  • 學位論文

八大類股股價對外資持股受台股報酬變化之非線性影響探討

The Non-linear Impact of the Stock Price of the Eight Major Industries on the QFII Shareholdings in Taiwan Stock Market

指導教授 : 聶建中 林建甫

摘要


本研究採用Granger and Teräsvirta (1993)和Teräsvirta (1994)所提出的平滑移轉自我迴歸(Smooth Transition Autoregression, STAR)模型,進行台股大盤指數報酬率不同之區間裡,台灣八大類股之股價變化分別對於外資台股總持股變化之影響探討。 研究首先實證得到模型設定應為指數型平滑移轉自我迴歸(ESTAR)函數模型,進一步得到0.96844%之台股大盤報酬率門檻值,亦即於0.96844%之台股大盤報酬率附近及偏離門檻值時呈現兩個不同區間。研究最後發現無論在何區間,本研究所擷取的八大類股的八個股價對外資持股之影響皆不顯著。說明著,無論何類產業之股價表現,對外資增持或減碼持股部位之意願與執行,皆不會產生顯著之影響。

並列摘要


This study employs the smooth transition autoregressive model elaborated by Granger and Teräsvirta (1993) and Teräsvirta (1994) to empirically investigate the non-linear impact of the stock price of the eight major industries on the QFII shareholdings in Taiwan stock market. The result firstly shows that the appropriate model to be adopted should be the ESTAR model. The study further finds a threshold value of 0.96844% for the rate of return of Taiwan stock index, which indicates two regimes, around and depart from the threshold value, have been confirmed. Finally, the empirical result shows no any significant impact of the stock price of the eight major industries on the QFII shareholdings in Taiwan stock market no matter in which regime, which implies that the investment strategies of the QFII shareholdings do not base on the trend of each of the stock price of the eight major industries in Taiwan.

參考文獻


一、中文文獻
中央銀行(2003),我國開放外資投資國內證券簡史,中央銀行年報,第五篇專載,頁130-133。
王子湄、蕭朝興(2008),台灣股市三大法人委託型態與價格行為的實證分析,管理學報,第15卷,第1期,頁55-92。
王舒嬿(2018),三大法人持股變化及成交比重與公司價值之關聯性分析,淡江大學管理科學學系碩士班,碩士論文。
李又剛、陳鉉文(1997),加強法人投資比重後對國內股市投資風氣之影響,企銀季刊,第19卷,第1期,頁94-106。

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