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    题名: 盈餘管理與內部人持股變動及公司治理關聯性之研究
    作者: 劉建言
    贡献者: 郭弘卿
    劉建言
    关键词: 盈餘管理
    內部人股票交易
    公司治理
    earnings management
    insider trading
    corporate governance
    日期: 2007
    上传时间: 2009-09-11 17:29:32 (UTC+8)
    摘要: 本研究旨在探討內部人股票交易與盈餘管理之關聯性，並進一步檢視我國近年來為強化公司治理所引進之獨立董監事制度是否能對內部人交易與盈餘管理間之關聯性產生抑制效果。在分析時，本研究係將全部樣本區分為賣出組及買入組，並分別進行驗證。

    實證結果顯示，發生內部人異常出售股票交易之樣本公司，其管理階層將於同一期進行使盈餘降低之盈餘管理。而此一結果所隱含之意義為，內部人為降低日後回補持股之成本，會於出售持股當期進行盈餘之操弄，以求影響未來股價。然而，在發生內部人異常買入股票現象之樣本公司，卻未發現如本研究所預期之內部人為極大化未來出售持股利益而從事使盈餘提高之盈餘管理的現象，本研究推測可能原因係內部人買入本公司股票之理由眾多，因此也不必然有拉抬未來股價以求自未來出售股票交易中獲利之考量。

    另外，在獨立董事與獨立監察人對於內部人異常交易及盈餘管理間關係之抑制效果的部分，在買入組或賣出組均未發現顯著之抑制效果。對此，本研究認為可能之原因係獨立董監事制度在我國實施之時間尚短，且多數公司係基於法令之要求始設置獨立董監事，而在這樣的現況下，似乎難以預期獨立董監事能有效監督公司內部人之異常股票交易行為以及盈餘管理行為。
    This thesis examines if there is an association between insider trading and earnings management. Furthermore, this thesis examines whether independent directors and independent supervisors can suppress the relationship between insider trading and earnings management. In the analytical process, the whole sample is divided into two sub samples which are sell and buy sub sample. The two sub samples are examined separately.
    And this thesis finds that there is a negative association between insider trading and earnings management in the sell sub sample which suggests that executives will manage earnings downward in the same period of insider selling to minimize their cost of buying stocks back in the future. And this result is consistent with the hypothesis. But no proper evidence is found about the relationship between insider trading and earning management in the buy sub sample. This may result from that there are many reasons for insiders to buy stocks of their firms. And insiders do not necessarily buy stocks of their firms to make profits by selling them in the future.
    Besides, in the part of the suppressing effect of independent directors and supervisors, proper evidences do not exist neither in the buy sub sample nor in the sell sub sample. A possible reason is that since the independent directors and supervisors system is still new in Taiwan, and most firms with independent directors and supervisors are just enforced by regulations to set independent directors and supervisors, it`s hard to expect that independent directors and supervisors to play their roles effectively.
    參考文獻: 中文部份
    王勇勝，2003，內部關係人交易與盈餘品質之關聯性暨市場反應效率性研究，國立臺灣大學會計學研究所未出版碩士論文。
    江雅蘋，2006，內部人交易之盈餘管理行為：裁決性應計項目與營業外損益，淡江大學會計研究所未出版碩士論文。
    李建然及廖益興，2004，董事會結構特徵與盈餘管理－台灣家族控制企業因素之影響，中華會計教育學刊，第5期(1月)：1-39。
    林繼恆及陳文禹，2008，內線交易規範之比較研究-以美國、歐盟及瑞士法之比較為中心，月旦法學，第156期（5月）：228-233。
    馬瑜霙，2003，我國獨立董事與獨立監察人之屬性與盈餘管理之關聯性研究，國立政治大學會計研究所未出版碩士論文。
    黃曉綸，2005，內部人交易、財務預測調降與盈餘管理之關係，輔仁大學會計學研究所未出版碩士論文。
    劉若蘭，2006，內部人股票交易與會計資訊品質關聯性之研究，國立成功大學會計學研究所未出版博士論文。
    劉連煜，2007，新證券交易法實例研習，台北：元照出版。
    賴英照，2006，最新證券交易法解析－股市遊戲規則，自版。
    英文部分
    Aboody, D., and R.Kasznik. 2000. CEO stock option awards and the timing of corporate voluntary disclosures. Journal of Accounting and Economics 29(January):73-100.
    Beneish, E., and M.E.Vargus. 2002. Insider trading, earnings quality, and accrual mispricing. The Accounting Review 77(April):755-791.
    Beneish, E.,E.G.Press, and M.E.Vargus. 2004. Insider trading and incentives to manage earnings. Working Paper, Rochester University.
    Bikki, J., and J. Tsui. 2007. Insider trading, earnings management and corporate governance: empirical evidence based on Hong Kong firms. Journal of International Financial Management & Accounting 18:192–222.
    Carcello, J., C.W. Hollingsworth, and T. L. Neal. 2006. Audit committee financial experts: a closer examination using firm designations. Accounting Horizons 20:351-374.
    Cheng, Q., and T. D. Warfield. 2005. Equity incentives and earnings management. The Accounting Review 80(2):441-477.
    Dechow, P.M., R.G.Sloan and A.P.Sweeney. 1995. Detecting earnings management. The Accounting Review 70(2):193–225.
    Klein, A. 2002. Audit committee, board of director characteristics, and earnings management. Journal of Accounting and Economics 33:375-400.
    Kothari, S.P., A.J. Leone and C.E. Wasley. 2005. Performance matched discretionary accrual measures. Journal of Accounting & Economics 39(1):163–197.
    Park, M. S., and T.Park. 2004. Insider sales and earnings management. Journal of Accounting and Public Policy 23:381-411.
    Seyhun, H. N. 1998. Investment intelligence from insider trading.Cambridge, MA: The MIT Press.
    Xie, B., Davidson Ⅲ, W.N., and DaDalt, P.J. 2003. Earnings management and corporate governance: the role of the board and the audit committee. Journal of Corporate Finance 9:295-316.
    描述: 碩士
    國立政治大學
    會計研究所
    95353031
    96
    資料來源: http://thesis.lib.nccu.edu.tw/record/#G0095353031
    数据类型: thesis
    显示于类别:[會計學系] 學位論文

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