industrial entry barriers

Over-entry is a typical economic phenomenon during the transition period in China. The main cause of over-entry is the invalidation of industrial entry barriers.

产业过度进入是我国经济转型期的特殊现象，产业进入壁垒失效是导致这一现象的主要原因。

The research on the entry and exit barriers is an important part of industrial economics.

进入与退出壁垒的研究是产业经济学的重要组成部分。

ABSTRACT Barriers to entry and exit are an important part of the Theory of Industrial Organization.

进入及退出的壁垒是产业组织理论的重要内容。