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论文编号：	1877
作者编号：	041839
上传时间：	2010/5/18 10:33:59
中文题目：	公司股权结构对会计盈余信息含量的影响
英文题目：	Ownership Structure Accounting Earnings
指导老师：	刘志远
中文关键字：	股权结构 会计盈余 信息含量
英文关键字：	Ownership Structure Accounting Earnings Information Content
中文摘要：	从理论上说，会计盈余信息含量受公司治理模式的影响，而股权结构是公司治理结构的基础，因此，会计盈余信息含量与股权结构有着密切的关系。不同的股权结构会导致不同的公司治理模式，从而影响会计盈余信息的相关性和可靠性。因此，不同的股权结构下会计盈余信息含量会有所差异。目前我国企业制度和治理结构所存在的最根本的问题就是股权结构不合理。不合理的股权结构使得公司治理效率低下，影响会计盈余信息的相关性和可靠性，导致会计盈余信息含量较低。 本文利用2001年至2003年我国A股上市公司的数据，从股权集中度和股权性质两方面考察股权结构对会计盈余信息含量的影响，分别通过第一大股东持股比例、控制权竞争指标（第一大股东与后四大股东持股比例之和的比值）、第一大股东是法人股、国有股及前十大流通股比例来分析股权结构对会计盈余信息含量的影响。结果发现：（1）股权适度集中且存在相对控股股东的股权结构有利于提高会计盈余信息含量；（2）法人股比国有股更有利于提高会计盈余信息含量；（3）流通股比例与会计盈余信息含量正相关。 本文采用实证研究方法，探索股权结构对会计盈余信息含量的影响，初步解释不同股权结构下会计盈余信息含量存在差异的制度原因，最后提出相关建议：我国应完善相关的法律、规章制度；适度减持国有股，打破“一股独大”的格局；促进投资主体多元化；优化上市公司股权结构，提高流通股的比例。
英文摘要：	Theoretically speaking, corporate governance mode influences the information content of accounting earnings and ownership structure is the base of corporate governance mode, so there is a close relationship between the information content of accounting earnings and ownership structure. The different ownership structure may result in the different corporate government mode, and then influence the relativity and reliability of accounting earnings. Therefore, under different ownership structure, the information content of accounting earnings can be different. At present, the most essential problem existing in our corporation systems and government mode is the unreasonable ownership structure. The unreasonable ownership structure results in the low efficient corporate government, influences the relevance and reliability of the accounting earnings and results in the low information content of accounting earnings. This paper selects a sample of Chinese listed companies which own A shares between year 2001 and 2003. From the ownership concentricity and the ownership composing, I study how the ownership structures influence the information content of accounting earnings. I use the indexes which include the proportion of the first shareholder, the control competition index (the proportion of the first shareholder divided by the next four shareholder), the state legal person share, the state share and the first ten currency share to analysis and draw such conclusions as follows: (1) under moderate centralized ownership structure, there is more information content in accounting earnings. (2) The state legal person share’ information content of accounting earnings is more remarkable than the state share. (3) The proportion of currency share has the positive relationship with the information content of accounting earnings. This thesis adopts the empirical study method, studies how the ownership structures influence the information content of accounting earnings and explains the reason of the difference existing in the information of accounting earnings under different ownership structure and finally supplies the relevant suggestions: our country should improve the relevant law; decrease the state share moderately; make the investors various; optimize the ownership structure, increase the proportion of currency share.
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