本章还从媒介经济学的角度分析了规模经济在跨国传媒集团中的主要特点。
It also analyzes the main characters of scale economy in transnational media groups from the point of media economy.
通过建立经济关系模型和对现有数据的经济行为进行测试，经济学家们提供了分析以上问题的主要特点的方式。
Economics provides the means of analysing the key features of problems by formally modelling economic relationships and testing beliefs about economic behaviour against the available data.
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