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博碩士論文 etd-0625108-130054 詳細資訊
Title page for etd-0625108-130054
論文名稱
Title
台灣股市投資人過度自信與自信不足研究-以營建類股為例
A Study of Overconfidence or Underconfidence for Taiwan Stock Investors – An Example of Property Stocks
系所名稱
Department
畢業學年期
Year, semester
語文別
Language
學位類別
Degree
頁數
Number of pages
91
研究生
Author
指導教授
Advisor
召集委員
Convenor
口試委員
Advisory Committee
口試日期
Date of Exam
2008-06-19
繳交日期
Date of Submission
2008-06-25
關鍵字
Keywords
過度自信、營建類股、不動產、向量自我廻歸模型、指數型一般化自我相關條件異質變異數模型
Overconfidence, Property Stock, Real Estates, Vector Autoregression, EGARCH
統計
Statistics
本論文已被瀏覽 5695 次,被下載 2673
The thesis/dissertation has been browsed 5695 times, has been downloaded 2673 times.
中文摘要
本研究欲檢視營建類股投資人在歷經超過十年的不動產市場不景氣後,投資人是否存在過度自信或信心不足的現象及推論其對未來市場發展的信心與態度。本研究藉由衝擊反應函數來檢視營建類股投資人是否存在之過度自信或信心不足之現象;結果顯示營建類股投資人在多頭市場中存在過度自信的現象,且低價股較高價股來的明顯,在空頭市場過度自信現象則不明顯;進一步觀察發現,多頭市場中,營建類股交易量主要由前期市場(大盤)報酬所驅動,而對類股報酬反應較小,顯示營建類股投資人在多頭市場中,購買營建股的主要原因市場景氣上揚,進而帶動營建股的買氣,而非因為看好不動產市場的發展而購買股票,造成營建類股市場投機意味濃厚,顯示投資人對營建類股短期有過度自信,長期有信心不足的現象,同時也隱含對不動產市場的缺乏信心。其次的EGARCH估計結果顯示,過度自信的投資人將會增加報酬波動率,使得投資風險增加,長期不利產業發展。最後本研究就以上結果進一步探討,發現政治環境、兩岸關係及政府政策為投資人對營建產業信心不足的主要因素,而該產業的長期不景氣可能也是造成投資人信心不足的因素之一。
Abstract
These theses whether examine the property stock investors are overconfident or underconfident. This thesis firstly use VAR model and the empirical result shows that the property stock investors existed overconfidence investment behavior in the bull market, especially in low-price stock. However, this kind of behavior does not exist in the bear market. The result also shows that most of turnover rate are driven by market return rather than property stock return. this represents investors purchase (or sell) the property stock is caused by the market goes up (or down) rather than have perspective in the property stock. The result implied the property stock investor had speculative trading in short term. In long term, investors have insufficient faith in the real estate market. Next, this thesis use EGARCH and the result shows that the overconfidence investors’ excessive trading will increase volatility, and will harm the development of industry. Finally, we discussed the main factor of investors’ underconfidence in property industry, found political environment as well as long recession are the factors.
目次 Table of Contents
中文摘要 I
ABSTRACT II
誌 謝 III
第一章 緒論 1
第一節 研究動機 1
第二節 研究目的 5
第三節 研究架構與研究流程 6
第二章 文獻回顧 8
第一節 效率市場 8
第二節 行為財務學 10
第三節 過度自信與信心不足 16
第四節 營建類股相關研究 22
第三章 營建類股現況分析 24
第一節 營建類股現況分析 24
第二節 營建業上市目的與特色 26
第三節 營建類股產業特性與經營方式 27
第四章 研究設計 30
第一節 研究內容與假說 30
第二節 實證模型 33
第三節 研究方法 36
第四節 資料來源與變數說明 48
第五章 實證結果與分析 51
第一節 資料描述與統計分析 51
第二節 單根檢定 54
第三節 向量自我迴歸模型之實證 55
第四節 EGARCH模型之實證 61
第五節 假說成立的情況 68
第六節 對營建類股及不動產市場的意涵 69
第六章 結論與建議 76
第一節 結論 76
第二節 研究限制與建議 78
《參考文獻》 79

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