• 投资 - 引用次数：22

  The features of natural monopolies such as industries of telecommunications, electricity, railway, gas and water supply are that they need huge investment, have a long period to return their invesment, specialalities of the investment, economies of scale, and so on.

  具有自然垄断性质的电信、电力、铁路运输、煤气和自来水供应等产业的显著特点是需要巨额投资，投资回报期长，投资专用性强，规模经济非常显著。

  参考来源 - 自然垄断行业政府规制理论与政策研究

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