【摘要】 目的:在现代经济生活中,风险是人们不得不关注的一个概念。在市场行情瞬息万变的证券市场尤其如此。方法:本论文围绕β系数这一系统风险指数展开研究,并以上海证券交易所钢铁行业部分上市公司为实证研究对象。结论:在诸多表述风险的指标当中,β系数作为资产与市场总体相关联的重要概念和参数,能够衡量资产所具有的系统风险,是一个重要的系统风险参数。同时,因其理论基础资本资产定价模型的简单明了,在诸多重要应用中的高精密度,所以β系数受到理论界,学术界和证券投资实践中各方人士的重视。更多还原

【Abstract】 In modern economical life,risk is a conception which people must pay attention to.This conception is often mentioned especially in securities market in which situation changes constantly.This thesis is about the research of beta coefficient.The object of the empirical research is the beta coefficients of the listed companies in Shanghai Stock Exchange.Among many indexes to describe risk conception,beta coefficient is an important parameter and conception,which describes the relationship between asset and market collectivity.It is an important system risk index as it can measure system risk of asset.Due to its simplicity and high precision,beta coefficient is attached much importance to.更多还原