This paper studies the nature of the firm.

Meanwhile,the paper has studied the formation mechanism of manufacturer s economy of scope and drew the following conclusion:the overflowing effect of general technology if the core of creating the economy of scope ;the expansion effect of managing techniques if the key of creating the economy of scope,the confo.

In nowadays, the price competition strategy remains one of the most common ones made by manufacturers have made such mistakes, which led to very heavy loss sometimes.

The paper analyzes the present situations and existing problems in IT application in small-and medium-size enterprises and also puts forward solutio ns in three aspects: enterprises, firms and government.

Commercial bank is the typical and essential firm not only from the angle of law position, but also of composition and operation system.

This paper discusses the influence of tariffs on foreign trade oriented enterprises and analyzes the strategies of dealing with the tariff barriers in respects of price policy, xploitation of GSP and MFN clause and the methods of lessening the impact of Anti-Dumping tariffs.

The Research of Game between Manufacturer and Agent in China It Storage Market;

It points out that before entering the targeted market,manufacturers should first reveal consumers preferences on good environment and change their sensitivity to the environment.

Furthermore,the difference between downside risk a.