本文旨在分析和探讨净资产收益率变动的规律，以为相关研究提供思路。
The purpose of this paper is to analyze and explore the regular patterns of the net assets income rate change so as to provide some reference for related research.
本文的第二章从决定资产价格的市场机制、信息达到方式及市场的效率等方面分析实物资产的价格变动特征。
In second chapter, we analyze the price movement of the underlying assets from the arrival of information, the market efficiency and the market mechanism which decide the price.
本文的第二章从决定资产价格的市场机制、信息达到方式及市场的效率等方面分析实物资产的价格变动特征。
In second chapter, we analyze the price movement of the underlying assets from the arrival of information, the market efficiency and the market mechanism which decide the price.
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