Based on using the corporate contract theory, the author tries to demonstrate the related law issues of the restriction of corporate control of the controlling shareholders.

Empirical Researches for Chinese Lised Companies on the Relationship between Firm Size and Credit Financing;

This paper introduced financial factors into the firm investment model according to the current corporate financial theory, studied the relation between investment and cash flow of different firm size, and further discussed the difference in inherent motivation of investment behavior.

The paper studies the relationship between firm size and senior managers compensation based on the listed companies in Shenzhen-Share stock market and Shanghai-Share stock market.

The empirical conclusion shows that the size of a company, the ratio of marketable value to book value, and the ratio of marketable price per share to net profit per share have no remarkable effect on rate of return on stock, and that the change of price in China stock market is a random walk, that is to say, the Arbitrary Pricing Theory is unavailable in Shanghai stock m.

The empirical results show that: (1) there exists significant “Book-to-Market Effect” and “SIZE Effect”, but no “January Effect” for the small firms; (2) the three-factor model is able to explain the cross-sectional variation in stock returns better than CAPM;.

The paper considers that the conflicts between sociality of norms and self-interested of company regulations,which occurs in public areas,lead to public crisis.