外部性的发生机制及其治理途径

外部性是一种经常出现的经济现象，外部性的存在意味着资源的非帕累托最优配置，克服外部性始终是一个十分重要而又棘手的问题。从理论上讲，解决外部性有多种途径：经济规制、行政管制、产权协商、社会准则等。每种手段都有其优势和不足之处，因此，各种方法的综合运用和有机组合，才是未来社会人们解决外部性问题的正确思路和方法。

External Happening Mechanism and Solving

Externalness happens often as an economic phnomenon. The existence of externalness means an non-pare-to-optimality. To overcome it is very difficult. In theory we can manage it with administrative control, economic rules, property consultation and social rules. They are with advangtages or disadvantages. To combine all these ways is a right way to solve externalness.