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基于信息分解的波动性研究——来自中国股票市场的实证 被引量:2

A Study on Volatility Based on the Information Decomposition——Eevidences from Chinese Stock Market
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摘要 在构建市场信心指数和市场活跃指数的基础上,借助于GARCH-M模型对市场的信息变量与波动性的关系进行研究。除通常的一些研究结论外,还得到以下结果:两种信息变量对市场波动有绝对的影响;市场活跃指数对波动有非对称的影响效果;上海市场的市场信心指数无非对称性的影响,但深圳市场低迷的市场信心会引起市场更大的波动。 The paper constructs market confidence index and market activity index, and then analyzes the relations of these information variables and the volatility by dint of GARCH- M model. Besides the normal conclusions, we get a lot of other useful ones, such as: the two information variables have an absolute effect on the market; Market activity index has a character of asymmetric effect; the market confidence index of Shanghai doesn't have a asymmetric effect, but the sluggish confidence of Shenzhen market will magnify volatility.
作者 周孝华 吴命
出处 《统计与信息论坛》 CSSCI 2009年第2期58-63,共6页 Journal of Statistics and Information
基金 国家自然科学基金项目<基于核准制下的IPOs抑价 长期弱势与定价研究>(70473107)
关键词 波动性 信息 市场信心指数 市场活跃指数 volatility information market confidence index market activity index
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