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论文编号: | 1939 | |
作者编号: | 031702 | |
上传时间: | 2010/5/14 8:39:22 | |
中文题目: | 自愿信息披露对权益资本成本的影响研究-来自深市上市公司的研究 | |
英文题目: | Voluntary disclosure, Cost of equity capital, Information asymmetry theory. | |
指导老师: | 黄菊珊 | |
中文关键字: | 自愿信息披露 权益资本成本 信息不对称理论 | |
英文关键字: | Voluntary disclosure, Cost of equity capital, Information asymmetry theory. | |
中文摘要: | 信息披露对降低公司的权益资本成本是否具有影响,是近年来西方一些发达国家会计研究的重点领域之一。国内学术界对于自愿信息披露与权益资本成本之间关系的研究尚缺乏系统、完整和公认的研究成果。本文分五部分对两者之间的关系进行了论证和相应的实证研究。 第一部分对本文的研究背景和目的进行了阐述,在回顾了国内外以往相关研究的基础上,提出了本文的研究思路、方法以及创新点; 第二部分从影响自愿信息披露的因素入手,以Botoson(1997)的自愿信息披露指标为基础进行调整,建立了一套适合我国国情的自愿披露指标评分体系,依据所评出的分数作为自愿信息披露水平的计量指标; 第三部分论述了股利不能作为权益资本成本计量基础的原因,通过对权益资本成本的各种计量方法详细比较,选择了经典红利折现模型作为计量方法;同时,文中对自愿信息披露与权益资本成本两者间关系研究的理论基础,即信息不对称理论也展开了论述,并得出了两者呈负相关的理论假设。 第四部分是本文的实证研究部分,笔者选取了深证100上市公司2003年的年度财务报告的数据作为样本,研究自愿披露水平对于权益资本成本的影响,得出了权益资本成本与自愿披露水平负相关的结论; 第五部分对本文的实证研究结果进行了总结,并进一步提出了对往后研究的一些建议。 本文采用了实证的方法对我国上市公司自愿信息披露与权益资本成本之间的关系进行研究,在控制了公司规模、财务风险和经营风险变量之后,本文结论显示:上市公司自愿信息披露水平的提高有助于降低公司的权益资本成本。 | |
英文摘要: | The effect of disclosure level on the cost of equity capital is a matter of considerable interest and importance to the financial reporting community. However, there are no systemic, integrated and accepted investigative conclusions in our country. This dissertation is an empirical study, which tests and analyzes the relationship between disclosure level and cost of equity capital by five parts. The first part introduces the reasons to investigate the relationship between disclosure level and cost of equity capital, the research purpose and research method. The second part discusses the influence factors of disclosure level and builds up a set of measure index of disclosure level based on Botoson(1997)'s method. The third part compares the different kinds of measure methods of the cost of equity capital, and chose the classic bonus conversion model to calculate it; at the same time, this part also introduces the information asymmetry theory. The fourth part is an empirical study of the effect of disclosure level on the cost of equity capital. I select the Index 100 of shenzheng as my sample. The last part is the conclusion of the whole dissertation and some suggestions for the after. In this paper I examine the association between disclosure level and the cost of equity capital by regressing firm-specific estimates of cost of equity capital on firm size, financial risk, operational risk and a self-constructed measure of disclosure level. My paper provides direct evidence of a minus association between cost of equity capital and disclosure level, and an indication of the magnitude of its effect. | |
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