China s entry to WTO brings about new challenges for enterprises market competition.

Intellectual Property Rights, Competition, and Economic Growth of Developing Countries;

To research the competitive rivals of the enterprise is the first step for strategy making of enterprise s development and dealing with the competition of market to recognize the compatitive rivals.

After entry in WTO, the insurance companies meet with fierce competition, of which hunting for the talents has been critical.

In socialist market economy conditions, the focus of competition among enterprises is quality of product.

The adjusting of the competition among enterprises relies on legal and moral means, and the ethic system for such competition includes the following aspects: constructing a competitive environment that conforms to moral principles; establishing equity as the common ethic mode for the competition; making the service for the consumers the ethic core; and propellin.

According to the characteristics of enterprises competition,using evolutionary game theory and population ecology,this article establishes an ecological model for enterprises competition and discusses it particularly,then points out four kinds of equilibrium of competition.