新股发行、价格确定与信息效率  被引量:3

IPOs,Price Making and Information Efficiency

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作  者:文玉春[1] 

机构地区:[1]中央财经大学经济学院,北京100081

出  处:《金融理论与实践》2009年第10期39-45,共7页Financial Theory and Practice

基  金:中央财经大学研究生科研创新基金重点项目"结构性金融衍生产品定价研究"(编号:08-Z-006)

摘  要:本文从新股发行价格对各类信息的反应效率这一角度来研究核准制下新股发行定价效率问题。针对影响新股发行定价的信息因素具有多层次、多维度的特点,建立了一个有内在逻辑关系、能够较全面反映新股发行价格影响因素的理论框架,并采用协方差结构模型分析(CSM)方法进行实证研究。实证结果显示:在核准制制度下新股价格基本上反映了内在价值因素和市场环境因素,具有一定的信息效率;而对发行因素反映的较少,缺乏这方面的信息效率。总体而言,我国新股发行定价的信息效率仍较为有限。From the efficiency of issuing of IPOS-price responding to all kinds of information, this paper studies the information efficiency of the issuing-price making of China's IPOs under authorization system. Focusing on the inuch-dimensionality characteristic of the factors affecting the issuing-price making of IPOs, this paper establishes a logical and comprehensive theory frame which can reflect all the factors that influence the issuing-price making of IPOs, further, makes an empirical analysis of these factors by using covariance structure model (CSM). The result shows that the issuing prices of China's IPOs are comparatively reasonable and have the information efficiency to some extent because the imminent value of IPOs and the market environment are basically considered, but the IPOs' price failed to reflect the issuing information, so have not included the information efficiency in this aspect. Therefore the information efficiency of the issuing-price making of China's IPOs is relatively low.

关 键 词:股票市场 新股发行 价格确定 协方差结构模型(CSM) 信息效率 

分 类 号:F830.91[经济管理—金融学]

 

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