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论文编号：	12458
作者编号：	2120192845
上传时间：	2021/6/11 17:17:33
中文题目：	独立董事非正式层级与盈余质量——基于审计师选择的中介作用
英文题目：	Informal Hierarchy of Independent Directors and Earnings Quality: Based on the Mediating Role of Auditor Choice
指导老师：	周建
中文关键字：	独立董事；盈余质量；非正式层级；审计师选择
英文关键字：	Independent Director; Earning Quality; Informal Hierarchy; Auditor Choice
中文摘要：	陆续曝出的上市公司财务造假事件，使得各界对独立董事是否有效监督盈余信息质量保持怀疑。实践中，独立董事在会计师事务所聘请上被赋予了一定的特殊职权，以协助监督盈余信息质量。但独立董事是否借助该职权有效发挥监督职能，学术界仍未有定论。作为开放型团队，独立董事之间不存在明确的上下级层级关系，独立董事的日常沟通协作主要受到非正式层级的影响。因此，本文提出如下研究问题：非正式层级是否会影响独立董事监督盈余信息质量和审计师选择？形成什么样的影响？非正式层级是否会通过影响企业审计师选择，进而影响盈余信息质量？ 根据声誉激励假说、组织层级理论和预期地位理论，本文对 2008-2017 年获取的16740 个有效样本进行实证检验，在使用基尼系数模型测度非正式层级的基础上，运用中介效应分析方法，探究“独立董事非正式层级-审计师选择-盈余质量”三者间的逻辑关系。研究发现：第一，独立董事非正式层级清晰度与公司盈余质量正相关；第二，独立董事非正式层级越清晰，公司越有可能聘请高质量审计师；第三，审计师选择在独立董事非正式层级清晰度和盈余质量两者间发挥部分中介作用。 由此，本文提出两点建议：第一，企业应搭建适度的独立董事内部层级关系，在选聘独立董事时，注重独立董事成员社会资本的差异性，以便有效发挥非正式层级的公司治理作用。第二，独立董事应积极借助外部审计来实现间接治理，独立董事应按照制度要求积极在审计师选择决策上发表意见，通过高质量审计师辅助履行对盈余信息质量的监督职能。 与现有研究相比，本文具有以下几方面的创新：第一，拓宽了非正式层级的研究视角，丰富了独立董事非正式层级的概念内涵和测度方式。第二，丰富了审计师选择影响因素的文献，聚焦于非正式层级对独立董事决策行为的影响；第三，拓宽了独立董事非正式层级对企业盈余质量影响的传导途径，从审计师选择的中介效应出发进行研究，创新了独立董事对盈余质量的影响路径研究视角。
英文摘要：	Recently, series of accounting falseness events of public corporations has been exposed one after another. Therefore, people in all walks of life remain sceptical of whether independent directors supervise accounting earnings quality validly. In practice, independent directors are given certain special powers in the engagement of CPA firms to assist in supervising accounting earnings. However, whether independent directors can effectively perform their supervisory functions with the help of this power is still unclear in the academic circles. As an open team, there is no clear hierarchical relationship between independent directors. The daily communication and cooperation of independent directors are mainly affected by the informal hierarchy. Therefore, this article puts forward the following research questions: Will the informal hierarchy affect earnings information quality and auditor choice decision? What is the impact? Does informal hierarchy affect earnings information quality by influencing auditor choice decision? According to the reputation hypothesis, organizational hierarchy theory and expected status theory, this article conducts an empirical test on 16,740 valid samples obtained from 2008 to 2017. Based on the Gini coefficient model to measure the informal hierarchy, this article investigates the logic relationship among the informal hierarchy of independent directors-auditor selection-earnings quality by using intermediary effect test. The study found that: Firstly, the clarity of the informal hierarchy of independent directors is significantly related to the earnings quality. Secondly, the higher the clarity of the informal hierarchy of independent directors, the more likely the corporation will engage good quality CPA firms. Thirdly, auditor choice plays a part of the intermediary role between the clarity of the informal hierarchy of independent directors and earnings quality. Therefore, the thesis proposes two advice. Firstly, public corporations ought to set up an appropriate internal hierarchy of independent directors. When selecting independent directors, they should lay emphasis to the differences of independent directors’ social capital, with the aim of giving full scope to the informal hierarchy on corporate governance effectively. Secondly, independent directors should actively use external auditing to realize indirect governance. Independent directors should actively express opinions on auditor selection decisions in accordance with system requirements, and use high-quality auditors to assist in performing the function of supervising the quality of earnings information. In comparison with present literature, the article’s innovation points as follows. Firstly, it broadens the research perspective of the informal hierarchy and enriches the conceptual connotation and measurement methods of the informal hierarchy of independent directors. Secondly, it has enriched the literature on the interfering factor of auditor choice, concentrate on the impact of the informal hierarchy on the decision-making behavior of independent directors. Thirdly, it has broadened the transmission channels of the influence of the informal hierarchy of independent directors on earnings quality, and selected the based on the research of intermediary effect, it has innovated the research perspective of independent directors' influence path on earnings quality.
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