进入壁垒的七种基本定义及其意蕴比较

Comparison of Seven Basic Definitions of Barriers to Entry and Their Implications

进入壁垒是研究市场定义和市场势力的核心概念。自从贝恩提出这一概念以来,进入壁垒主要有七种基本定义,其定义有不同的缺点及其效率含义。经济学家围绕进入壁垒的含义进行了大量深入分析,但是对进入壁垒的基本含义、判定标准和主要形式等方面还存在实质性的分歧。

Barriers to entry is the core concept in the study of market definition and market power. Since Bain introduced the concept, a lot of analyses have been made on the meaning of barriers to entry and seven major basic definitions have been developed. However, there are still substantial differences on the basic meaning, judgment standard, and major forms of barriers to entry.