投资模型中收益率的极限定理
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引用本文:李文汉,刘志强.投资模型中收益率的极限定理[J].经济数学,2012,(1):34-37
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作者单位
李文汉,刘志强 (1.石家庄经济学院 数理学院河北 石家庄0500312.北京建筑工程学院 理学院北京100044) 
中文摘要:利用似然比的概念,研究了投资者关于收益率向量的估计分布和真实分布之间的一些极限性质,得到一类收益率与其估计数学期望的随机偏差定理,即用不等式表示的一类强极限定理.
中文关键词:投资模型  收益率  似然比  极限定理
 
Some Limit Theorems Of Return Rate in Investment Modeling
Abstract:In virtue of the notion of likelihood ratio ,the limit properties of the sequence of continuous random variables were studied ,and a class of strong deviation theorems represented by inequalities with return rate and their estimated expectation were obtained when there are deviations between the estimated and the real distributions of the return rate.
keywords:investment modeling  return rate  likelihood ratio  limit property
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