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https://nccur.lib.nccu.edu.tw/handle/140.119/36635
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| Title: | 盈餘宣告前之融券信用交易 |
| Authors: | 湯智勝
Tang, Chih-Sheng |
| Contributors: | 郭弘卿
湯智勝
Tang, Chih-Sheng |
| Keywords: | 盈餘宣告
信用交易
融券
事件研究法
earnings announcement
margin trading
short-selling
event study |
| Date: | 2005 |
| Issue Date: | 2009-09-18 19:02:58 (UTC+8) |
| Abstract: | 本研究主要探討兩項關於融券交易的議題。首先，本研究發現巨量融券與續後的股價反應呈現顯著的負相關。再者，進一步探究盈餘宣告前的融券信用交易是否與非盈餘宣告的時間存有差異。本研究是採用在台灣證券交易所上市之股票並觀察其盈餘宣告前五日之融券交易行為。實證結果發現盈餘宣告前的融券與盈餘宣告後的股價反應存在負向關係，顯示可能有私有資訊的交易者在盈餘宣告前進行融券交易。接下來本研究進一步使用基本財務比率中的帳面價值對市價比將樣本區分成價值型與成長型之股票，發現擁有較低比率之公司較受融券交易者之青睞。本研究希望研究成果能對證券市場主管機關在制訂法律與提供更即時、更廣泛的信用交易資訊揭露給投資大眾參考。
This research examines two issues of short-selling transactions.First,we find a strong negative relationship between short interest and subsequent abnormal returns.The second is whether short-selling in the days leading up to an announcement differs from short-selling in times when no announcement is imminent.We examine short-selling behavior of investors in the five days prior to the earnings announcements of Taiwan Stock Exchange (TSE)listed firms.The tests provide evidence that there might exist informed trading in pre-announcement short-selling because they reveal that abnormal short-selling is significantly linked to post-announcement stock returns.A high level of unusual pre-announcement short-selling is an indicator of future stock returns at earnings announcement.Also,the tests indicate that short-sellers typically are more active in stocks with low book-to-market ratio valuation.We believe that these results should encourage financial market regulators to consider providing more extensive and timely disclosures of short-selling to investors. |
| Reference: | 一、中文部份
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二、英文部份
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三、網站資料
台灣證券交易所網站：http://www.tse.com.tw
證券暨期貨市場發展基金會：http://www.sfi.org.tw
證券暨期貨法令判解查詢系統：http://www.selaw.com.tw |
| Description: | 碩士
國立政治大學
會計研究所
93353021
94 |
| Source URI: | http://thesis.lib.nccu.edu.tw/record/#G0093353021 |
| Data Type: | thesis |
| Appears in Collections: | [會計學系] 學位論文
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