發行海外存託憑證之股價反應：上市地點、產業 別與是否發行新股之探討; Market Reaction of GDR Listing：The Effect of Listing Locations, Industries and New Stock Issuing

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题名:	發行海外存託憑證之股價反應：上市地點、產業別與是否發行新股之探討;Market Reaction of GDR Listing：The Effect of Listing Locations, Industries and New Stock Issuing
作者:	翁暐婷;Weng,Wei-ting
贡献者:	財務金融學系
关键词:	海外上市;海外存託憑證;事件研究法;價格效果;Cross-listing;Global Depositary Receipts;Event study;Price Effec
日期:	2014-01-24
上传时间:	2014-04-02 15:41:17 (UTC+8)
出版者:	國立中央大學
摘要:	隨著全球化的趨勢，愈來愈多臺灣企業選擇至國際資本市場海外上市，本文旨在探討臺灣企業首次至國外發行海外存託憑證對發行公司帶來的效益為何，利用事件研究法分別探討宣告日及上市日前後的股價反應，並依據上市地點、產業別及是否參與現金增資來區分樣本，檢視其價格效果的差異，最後利用多元迴歸模型探討各虛擬變數對於累計異常報酬的解釋能力。結果顯示，整體樣本在宣告前市場有明顯正向反應，上市後則有明顯股價下跌現象。至盧森堡上市的公司相對其宣告效果小於至倫敦美國上市的公司且時間點較早，電子業其宣告效果較非電子業來的好，而包含以新股發行海外存託憑證的其宣告效果較純粹以現股發行的公司來的好。; With the trend of globalization, more and more companies in Taiwan choose to cross-list on international capital markets. This paper mainly examines how the Taiwan market react to the first issue of Global Depositary Receipts. This paper uses event study to examine the stock price effect of both announcement day and listing day. This paper also examine the differences of price effect according to listing location, industries and whether issuing new stocks. Finally, this paper uses the multiple regression to test the explanation of dummy variables to the cumulative abnormal returns. Empirical results shows that the overall sample has significantly positive cumulative abnormal returns before the announcement day and the stock prices obviously go down after the listing day. The announcement effect of companies cross-listing to Luxembourg is much earlier and smaller than companies to London or U.S., the electronics companies have strong effect than non-electronics companies, and the companies issuing new stocks have much higher abnormal returns than the companies using only original stocks.
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