Introduce the basic content and application of Geographic migration theory in Demography and Social cost theory in Economics.
介绍了人口社会学中的人口迁移理论和经济学中的社会成本理论的基本内容，以及它们在本文的运用。
Chapter two: Elaborating the theory frame of peasants' human capital allocation that is inframarginal analysis, transaction cost theory and the social capital theory.
第二章：阐述了农民人力资本配置的理论框架，即超边际分析方法、交易费用理论及社会资本理论。
According to the Tullock model in the theory of rent-seeking, the social cost of industry administration monopoly includes deadweight social welfare loss and monopoly profits.
依照寻租理论中的塔洛克模型，垄断的社会成本包括垄断造成的社会福利净损失和垄断利润。
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