其次，本文对证券公司声誉与推荐股票价值之间的关系进行了理论分析。
Secondly, the article has carried out theoretical analysis on the mutual relationship between the reputation of securities firms and the value of stock recommendations.
本文介绍了现代证券组合理论中几个主要的数学模型，并分析了组合收益中的风险构成及风险收益决策。
Several mathematical models in modern portfolio has been introduced in this essay and the risk components in portfolio income constitution have been analyzed.
第一部分；证券税制的一般理论分析。
This thesis begins with the analysis of theory on tax system of securities.
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