Having analyzing those policies, this article thinks that those policies have brought in some external negative effects, although they have greatly improved the talent exploiture in the west of China.

The paper adopted the research canonical form of "SCP" belonged to industry economics to analyze the negative external effect origin from the business action of waste retrieving and resource renewing that had been also called "Vein Industry" in world.

During the transformation, some realistic problems such as liquidity negative external effect and liquidity paradox resulted from the operation of credit loan fund liquidity in commercial banks have hindered adjusting effect of money supply.

The establishment of socialist ideology and ethics restrains the external negative economic effectand contributes7to the realization of market efficiency.

The target of the current environmental economic policy focuses only on how to minimize the harmful external effects caused by some market parties, through tradable permits and pollution charges.

Due to the positive external effects of venture capital,the goverment should increase its supply by means of preferential tax offers.

Externality Research in M&As;

Reverse logistics has positive externality on account of its feature of quasi-public goods.

Investors holding open end fund should face the classic externality.

An analysis and control on the external effect of original innovation;

Further discussion is also made on external effect of highway.