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    題名: 臺灣股票市場各類投資人日內動態群聚行為
    其他題名: The dynamic analysis of intraday herding behavior for different types of investors in the Taiwan stock market
    台灣股票市場各類投資人日內動態群聚行為
    作者: 鄭宜庭;Cheng, Yi-ting
    貢獻者: 淡江大學財務金融學系碩士班
    林蒼祥;Lin, William T.;蔡蒔銓;Tsai, Shih-chuan
    關鍵詞: 日內資料;動態群聚行為;個別投資者;機構投資者;Intra-day data;Dynamic herding;Individual investor;Institutional investor
    日期: 2009
    上傳時間: 2010-01-11 00:57:12 (UTC+8)
    摘要: 本研究之目的為檢視台灣股票市場中自營商、投信基金、外資及自然人四類投資人群聚現象特性,並分析股票特性、過去報酬與各類投資人群聚行為之關係,再利用向量自我相關迴歸(VAR)與 Granger 因果關係觀察各類投資人間群聚行為領先落後關係。本研究利用逐筆委託單與成交單資料以及採用Patterson and Sharma(2005)所提出的Bootstrapped runs test檢定日與日內群聚現象。實證結果顯示,各類投資人日內大致沒有顯著之群聚行為,日之群聚現象則只有外資較為顯著。
    各類投資人群聚行為與股票特性關係部分,外資與自然人無論日與日內在市值較大、股票週轉率較高、市價淨值比較低之群組,有顯著之群聚行為;自營商日內群聚在高市價淨值比之群組顯著,其餘則是與投信基金相同皆無特別在某種特性之股票有群聚現象。各類投資人群聚行為與過去報酬之關係部分,日與日內結果大致相同,自營商沒有特別在某一群組顯著,投信基金群聚行為在過去報酬較低之群組顯著,外資則是在過去報酬較高之群組顯著,自然人在過去報酬較低與較高之群組顯著。
    最後,由 VAR 與因果關係可以發現,外資與投信基金之群聚行為領先自然人之群聚行為。
    We analyze whether Security Dealers,Mutual funds, Foreign Investors and Individual Investors are engaged in herding behavior in Taiwan stock market. Besides, we examine the daily and intraday relationship between characteristics of stocks and herding behavior of investors.Lastly,we use VAR and Granger Causality to detect whether leading or not of the behavior of herding for different types of investor.We use high frequency intraday data and employ the measure of herding by Patterson and Sharma(2005)to observe investors'' herding behavior.We find that all investors do not have herding behavior in intraday,but Foreign Investors have herding behavior in daily.
    In characteristic of stocks, Foreign Investors and Individual Investors are heavily engaged in trading high capitalization stocks, high turnover stocks and low Price-Book Ratio stocks in intraday and daily. Security Dealers are similar to Mutual funds except that Security Dealers are heavily engaged in trading high Price-Book Ratio stocks in intraday.In past return,intraday results are similar to daily for different types of investors. Security Dealers are unapparent that they use herding in some past return quintile.Mutual funds use more herding in low past return quintile than high past return quintile and Foreign Investors are opposite to them.Individual Investors are heavily engaged in trading the lowest and the highest past return quintiles.
    In addition, by VAR and Granger causility tset,We find the herding behavior of Foreign Investors and Mutual fund lead by Individual Investors.
    顯示於類別:[財務金融學系暨研究所] 學位論文

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