• 1. positive externalities: 正外部性 | 正的外部性 | 正外部效应 | 外部效应
• 2. Regional Positive Externalities: 区域正外部性
• 3. Examples of Positive Externalities: 正外部性例子

更多释义

• 1.So the later two kinds of direct outputs and the indirect profits are the positive externalities of metro projects.
  直接产出中的后两类和间接产出都属于地铁项目的正外部性。
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• 2.As economic rationale for this special treatment, policymakers often cite positive externalities generated by FDI through productivity spillovers to domestic firms.
  对于给予外企这些特殊待遇的经济解释，政策制定者们常常引证说明，FDI对国内企业的生产效率外溢，可以产生正的外部效应。
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• 3.In information market, there are both information product and service surplus with negative externalities and information product and service lack with positive externalities.
  在信息市场中，既存在具有负外部性的信息产品和服务生产过剩，也存在具有正外部性的信息产品和服务生产不足。
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