• 沒有找到結果。

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第二節 研究限制與建議

本研究以過往理論及實證經驗為基礎,試圖廣納並擷取影響台灣 IPO 期初 報酬的潛在重要解釋變數。然而,受限於台灣資本市場規模較小以及歷年以來承 銷制度歷經重大之轉變,樣本蒐集數量及完整性上可能較為不足,為避免自變數 太多而影響到自由度,僅擷取過往文獻上最為常見且較能夠符合台灣資本市場特 性之解釋變數,而無法將公司財務面及總體經濟變數等其他層面共同納入考慮,

此為較為美中不足之處之一。

此外,本研究所使用之解釋變數多為上市當時之公開資訊,且多為歷史資訊;

然而,可能有更多取得不易或未強制公開之資訊對於期初報酬率之影響程度並不 亞於本文所使用之公開資訊,加以本研究所使用之解釋變數亦未能將股票市場最 新資訊納入,故建議日後的研究可試圖尋找較為不易取得之資訊,並將金融市場 的最新資訊更新至解釋變數中,以改善解釋變數潛在的過時性。最後,台灣政府 於 2012 年起擬立法實施證券交易所得稅,其中更包含了對於 IPO 資本利得的課 稅,儘管課稅門檻及細節仍有待朝野協商取得共識,惟日後新稅制的上路勢必將 改變大股東及一般投資人之投資決策行為,甚至改變 IPO 市場的參與結構及主 要影響因子,故建議日後的研究者得以試圖深入探討此一議題。

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參考文獻

一、 中文參考文獻

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2. 李榮鎮、蔡佩靜、林純夷(2010),「台灣初次上市上櫃公司股價長短期表現 之研究」,台灣銀行季刊,62 卷 1 期,193-222。

3. 陳軒基、葉秀娟、陳右超(2003),「承銷制度與折價幅度:台灣初次上市櫃 股票股票之實證分析(1980~2000)」,證券市場發展季刊,14 卷 4 期,175-198。

4. 陳安琳、李文智、林宗源(1999),「新上市公司股票之發行折價─代理成本 與公司控制之研究」,中國財務學刊,6 卷 3 期,1-23。

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中山管理評論,18 卷 1 期,211-249。

6. 李建興(2008),「台灣 IPO 折價影響因素之探討:分量迴歸分析法」,證券市 場發展季刊,20 卷 1 期,47-100。

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