Weekly effect is a main anomaly which is relevant to Market Efficiency. This paper analyses the statistic characteristics of short\|term return in the two stock markets of China. We find that there exists a weekly effect partially due to the clearing system and information disclosure mechanism. However. comparing with other Asian stock markets, the effect is not very apparent.
The paper employs a “Blockmodel Analysis” to study the supply system of Chinese automobile spare parts industry and put forward some enlightening conclusions.
The paper establishes the gambling model of depositors and commercial banks according to the characteristics of commercial banks of China,analyses the activities of both depositors and commercial banks.Through such analysis,the authors think that now it is rational the system of professionally running of commercial banks of China.
