一、选题背景
2004年,我国期货交易额达17万亿元,实物交割8840万元,占交易金额的5.2%;套期保值主体进一步扩大,投机者更加理性投资,市场呈现一派繁荣景象。但是,从1990年
事实上,导致我国期货市场风险事件频发的根本原因不在于市场体系、交易制度、投资环境方面,而在于期货市场效率。从市场有效性的角度来考察我国期货市场的现状,其结论能够解释市场风险问题。期货市场作为金融市场的重要组成,是社会主义市场经济不可或缺的部分。期货市场功能的充分发挥依赖其有效性的高低。因此,研究
随滞后天数的增加而下降,因此认为
是首次应用adf模型对我国期货市场效率进行尝试性检验;二是首次设计出
and multivariate statistics, new york, academic press, ucsd discussion paper 82-28.
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