Optional Assessment Model of Business Diversification and its Appliance in Enterprise;

Study on Core Competence-based Diversification Strategy of Company Management;

Diversification plays an important role in economic development in many countries.

Lots of academic and positive researches indicate that corporate diversification must base on the core competence to gain outstanding achievements.

The traditional multiplication has many kinds of malpractice,the multiplex enterprises develop the market through the hypothesized management in the new service domain,not only may overcome the malpractice of the traditional multiplication,moreover its compatibility and the reaction rate to the market can enhance greatly.

This analyzes the Chinese business groups by 333 samples from 2004~2006 listed companies with SPSS software to find out the influence the M-form on the performance of diversified business groups.

On the base of analyzing efficiency of financial market and motivation of enterprise diversification, this article studies the efficiency of the different evolution forms in financial market and its impact on social resource distribution function.