entry and exit barriers

常见例句

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。
We examine an aggregate index of the business environment that incorporates information on entry and exit barriers, effective property rights protection, and sound contract enforcement.
我们分析一个商业环境总指数，该指数包括有关于进入和退出的各种障碍、切实有效的保护私人财产权利和健全的执行契约的信息。
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We find that whether the exchange networks or the parcel distribution networks have no barriers to entry and exit, and it means natural monopoly condition does not exist in the postal industry.
长途信函传递网具有一定的规模经济与较弱的范围经济性，而实物配送网与邮政汇兑网则不具有进入与退出的壁垒，邮政产业不具有自然垄断形成的条件。

To keep our leaders honest we need to constantly challenge that power, work to break entrenched power cliques, and demolish barriers to entry and exit in our political system.
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