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  • 學位論文

盈餘管理與期初報酬率關係之探討:中國大陸A股市場之實證研究

Earnings Management and Initial Return in China A Shares

指導教授 : 李建興

摘要


本文主要探討中國大陸IPOs盈餘管理 (EM; earnings management) 與期初報酬率 (IR; initial return)之關係。研究期間考量中國大陸新企業會計準則體系之實施,為2007年1月1日至2014年9月30日,研究樣本為在滬深兩市上市之A股,總計有1126家IPOs公司。盈餘管理一直是新股首次公開發行 (IPOs; initial public offerings)的核心議題之一。相較於過去文獻,本文依據IPOs上市交易所、市場狀態、盈餘管理程度、發行規模以及四大會計師事務所簽證將樣本分群研究,能更精確地且完整地探討IPOs盈餘管理與期初報酬率之關係。   本文實證結果發現如下,首先,相較於其他國家的IPOs期初報酬率,中國大陸的IPOs期初報酬率較高,但有呈現下降的趨勢。其次,不同於過去文獻的實證結果,本文IPOs盈餘管理與期初報酬率之關係,在任何樣本分群的實證結果中均為不顯著,本文稱此現象為盈餘管理鈍化效果 (insensitive effect)。最後,高程度盈餘管理之IPOs公司,找四大會計師事務所簽證會對期初報酬率有顯著的正相關。本文認為找四大會計師事務所簽證,可以改善盈餘管理鈍化效果。

並列摘要


This study aims to examine the relation between earnings management and initial return in China A shares, listed in Shanghai Stock Exchange and Shenzhen Stock Exchange. Based on implementation of Chinese new accounting standards, chooses a sample of 1126 IPOs companies ranging from January 2007 to September 2014. Earnings management has long been one of the central issues in initial public offerings (IPOs). Compared with previous literatures, this study applies listed markets, market states, degree of earnings management, offering size, and auditor reputation to verify.   It’s unlike previous literatures, the empirical results revealed as following: (1) Initial return in China stock market is higher than others countries. However, the initial return is downward trend. (2) Earnings management is no significant effect on initial return. This study called this phenomenon as “insensitive effect”. (3)Height of earnings management with certification of big four accounting firms, IPOs underpricing is significant. It’s mean that IPOs certification of big four accounting firms can improve “insensitive effect”.

參考文獻


洪振虔 (2012),初次上市前盈餘管理的資訊內涵,中山管理評論,20,(2),569-602。
蔡玉琴、倪伯煌、黃美珠與廖麗敏 (2008),中國大陸審計收費定價-深圳交易所上市公司之實證研究,東吳經濟商學學報,63,1-28。
Aharony, J., Wang, J., and Yuan, H. (2010), Tunneling as an Incentive for Earnings Management during the IPO Process in China, Journal of Accounting and Public Policy, 29(1), p.1-26.
Allen, F. and Faulhaber, G. R. (1989), Signaling by Underpricing in the IPO Market , Journal of Financial Economics, 23, p.303-323.
Ball, R., and Shivakumar, L. (2008), Earnings Quality at Initial Public Offerings, Journal of Accounting and Economics, 45(2-3), p.324–349.

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