Many if not most markets with network externalities are two-sided.
大部分具有网络外部性的市场都具有双边甚至多边的特性。
参考来源 - 双边市场中的平台竞争——带转移成本的两期情形Application software provider’s market share and price will be affected by cross-over network’s externalities of the bilateral market.
应用软件提供商的市场份额和价格会受到双边市场“交叉网络外部效应”的影响。
参考来源 - 中国3G应用软件产业纵向结构变动研究According to Cluster Theory,since the enterprise cluster within a certain area can bring external economy,low-carbon enterprise cluster should also have externalities. However,city size and firm size will affect the type of Cluster Effects.
集聚理论认为,企业在一定范围内的集聚可以带来外部经济,低碳企业的集聚也应具有外部性,但是城市规模和企业规模变量会影响到集聚效应的类型。
参考来源 - 基于不同城市规模的低碳产业集聚效应研究·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： outwardness
以上来源于: WordNet
N the state or condition of being external 外部的
Professor Pretty and his colleagues calculated the externalities of British agriculture for one particular year.
普雷蒂教授和他的同事计算了某一年英国农业的外部性。
The fact that burning fuel creates these "negative externalities" does not imply that no tax on fuel could ever be too high.
燃烧燃料产生这些“负外部性”的事实并不意味着燃油税不会太高。
Economics is precise about the tax that should, in principle, be levied to deal with negative externalities: the tax on a liter of fuel should be equal to the harm caused by using a liter of fuel.
从经济学的角度来看，为了应对负外部性，原则上应该征收的税收是准确的：对一升燃料征收的税应该等于使用一升燃料所造成的危害。
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