期刊文献+

地震灾难对中国股票市场的影响——基于非参数估计法的实证研究

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摘要 本文以2008年5月12日发生在我国四川省的汶川地震为例。以沪深300指数、上证综合指数及恒生指数自2002年起至2012年逾10年的对数收益为研究对象,采用非参数估计法就地震灾难对我国股票市场的影响进行了实证研究,这也是国内首次将非参数估计法应用于地震灾难对股票市场的影响的研究中。实证结果显示,汶川地震对我国股票市场的综合指数影响并不明显,但其对部分行业指数则有显著影响,且随着时间进行,灾情逐渐显现,市场也逐渐趋于理性,短期内的盲目乐观也逐渐得以纠正和调整。值得注意的是,医药行业在本文所考虑的整个短、中、长期内都受到较大的正面影响,通信行业等则较为脆弱,公用等行业则在中长期开始受到较为明显的正面影响。而不同行业股票所受到地震灾难的影响的不同,恰好可以为面临地震风险的投资者或机构搭建起一个跨国别、市场、行业、时期的风险分散策略。
作者 孙丹
出处 《世界经济情况》 2012年第6期82-88,共7页 World Economic Outlook
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