流通垄断的福利经济学分析及其测度

本文主要考察流通垄断的特殊性及其福利经济学测度。流通垄断与生产垄断相比，其垄断行为和垄断结构具有很多特殊性和复杂性。在目前阶段，流通市场的低集中度是制约我国流通产业发展的一个重要原因，大型流通企业之间的合并和重组一方面可以实现流通的规模经济，另一方面又有可能导致垄断程度的提高，本文通过一个简单的流通企业合并模型，从福利经济学的视角探讨了这种合并的两难效应，并进一步分析了此种情形下的反垄断措施。

Distribution Monopoly Analysis based on Welfare Economics and its Measurement

This article mainly discusses the characters and measurements about distribution monopoly. Distribution monopoly has many typical differences from product monopoly, according to monopoly conduct and monopoly structure. At present, the lower market concentration degree contributes much to the limitation of the development of distribution industry. Many experts suggest the large company mergence to solve this problem, considering scale economics. But the enlarged scale directly or indirectly leads to monopoly regulation, as a result a dilemma caused by mergence becomes the center of the issue about distribution monopoly which is discussed by a monopoly mergence model put forward in this article.