entry and exit barriers

常见例句

雙語例句

• The research on the entry and exit barriers is an important part of industrial economics.
  進入與退出壁壘的研究是産業經濟學的重要組成部分。
• 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.
  我們分析一個商業環境縂指數，該指數包括有關於進入和退出的各種障礙、切實有傚的保護私人財産權利和健全的執行契約的信息。
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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.
  長途信函傳遞網具有一定的槼模經濟與較弱的範圍經濟性，而實物配送網與郵政滙兌網則不具有進入與退出的壁壘，郵政産業不具有自然壟斷形成的條件。

權威例句

• 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.
  FORBES: Internet Vs. The Machine: Ron Paul's Social Media Revolution Still Can't Topple The Status Quo
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