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Rough set is a new mathematical theory for dealing with vagueness and uncertainty. This study, for the purpose of providing decision support for stock traders, analyzes the financial data of stocks with the rough set theory and grades the data according to their significance for the market performance of stocks. The key tasks include: creation of the stock trading data set, pre-processing of stock...
Through the comparison between the liquidity and volatility of the Shanghai Composite Index before and after launch of short selling, this paper draws a conclusion that the liquidity does not significantly increase after the introduction of short selling, but the volatility significantly decrease. In addition, the volatility model advanced by Hardouvelis and Theodosiou (2001) is used to study the...
The deregulation on the constraints on the introductory of third-party call warrants in China offers an opportunity to realize whether or not the time-varying price dynamics are altered by the deregulation. By employing the event-study method this paper investigates the impacts of call warrant listing on the underlying stock returns on China's market based on Baosteel and Baosteel JTB listed before...
This article uses an empirical analysis to investigate the performance before and after the implementation of equity incentives with the paired-samples T test .In this paper, 25 listed companies which began to implement equity-based incentives in 2006 and 2007 are taken as the sample. And the corporate performances are divided into two stages by share splitting reform. The findings indicate that there...
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