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股权结构 代理成本与外部审计需求
引用本文:曾颖,叶康涛.股权结构 代理成本与外部审计需求[J].会计研究,2005,1(10):63-70.
作者姓名:曾颖  叶康涛
作者单位:曾颖(北京大学光华管理学院,100871);叶康涛(北京大学光华管理学院,100871)
摘    要:本文基于一个两时点大股东掠夺模型,考察了股权结构、代理成本与外部审计需求之间的关系。我们的模型分析结果表明,第一大股东持股比例与企业价值成U型曲线关系,而与外部审计需求成倒U型曲线关系。即:代理成本较高的上市公司更有可能聘请高质量的外部审计师,以降低代理成本,提高公司市场价值。我们以中国A股上市公司2001和2002年的数据,对上述结论进行了实证检验并得到支持,本文分析还表明,债务融资与外部审计在降低代理成本方面具有相互替代性。

关 键 词:股权结构  代理成本  外部审计需求

Ownership Structure, Agency Cost and External Auditing Demand
Abstract:Based on a two-stage large shareholder exploitation model,we examine the relationship among ownership structure,agency cost and external auditing demand.We show that the ownership of large shareholder demonstrates a U-shaped with firm's value,but a reverse U-shaped relation with external auditing demand,i.e.,the more severe a firm's principle-agent problem is(the lower its value is),the more likely the firm would hire a high quality external auditor.We test our theory with the sample data from Chinese A share listed companies.Our theory is supported by empirical analysis.We further use 2-stage OLS regression,find that listed companies can increase their value by hiring high quality external auditor.This implies that external auditing may provide a solution to the principal-agent problem in China's listed companies.In addition,we find that debt financing may reduce external auditing demand by reducing agency cost,which implies that debt may be a substitute for external auditing in agency cost reduction.
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