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  • 學位論文

機構投資者與經理人異動決策對股東財富的影響

The Impacts of Institutional Investors and CEO Turnover on Schareholder’S Wealth

指導教授 : 卓佳慶
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摘要


全球金融危機發生後,機構投資者更為積極注意公司之治理與績效表現。而公司經理人所執行任一決策,皆會影響公司未來經營成果與發展,最終影響到股東自身權益。本研究以台灣上市櫃公司發佈經理人異動宣告來進行事件研究,探討經理人異動決策對股東財富之影響,機構投資者對經理人異動決策之影響,以及機構投資者在經理人異動決策對股東財富的影響當中扮演之監督效果。研究結果顯示在經理人異動決策前後一天、後一天、後五天、後七天,經理人異動宣告會影響市場投資人對公司經營績效之評價。機構投資者在經理人異動決策前持股比例變動或減少持股動作則均未有顯著結果影響,而機構投資者減少持股之動作在經理人異動決策對股東財富的影響當中具監督治理效果,顯示其所進行減少持股之行動,將被市場投資人解讀對公司未來經營績效與價值有正面影響。同時,本文建議公司應針對異動內容詳細說明,以將訊息準確傳達給投資大眾。而異動原因應有第二證據資料輔助,以求更清楚判別其是否為自願異動。

並列摘要


After the Financial Crisis, institutional investors take more notice of corporate governance and operating performance. Any decision executed by the manager will affect the company’s development and ultimately affect the shareholders’ own interests. The study employs the event study to investigate the announcement of CEO turnover effects on shareholder’s wealth while considering the relationship between institutional investors and the CEO turnover. The results show that CEO turnover will affect market investors to evaluate the company’s operating performance; it generates abnormal returns around one day, after a day, after five days and after seven days. The changes of institutional investors’ shareholding proportion or an action of reducing holdings don’t affect the CEO turnover. However, institutional investors’ action of reducing shareholdings affects the shareholder’s wealth form announcement of CEO turnover. It implies that investors will measure the company’s value and operating performance via institutional investors’ actions of reducing shareholdings. Hence, the study suggests companies should describe the contents of CEO turnover exhaustively in order to release the correct information to investors. In addition, the classification of CEO turnover causes should have second proofs to distinguish whether the CEO turnover is involuntary.

參考文獻


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