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随着国际贸易理论的发展从古典到新古典再到产业内贸易理论,以及近来异质企业贸易理论的出现,国际贸易对收入差异影响的研究范畴从产业间过渡到产业内,并且已经开始关注不同企业之间以及企业内部的收入差异问题。发展中国家贸易与收入差距同样扩大的现象与s-s定理相悖,学者们从定理的假设条件、不同的贸易模式以及不同的收入差距划分方式等方面分别对其原因进行讨论,研究方法越来越向微观纵深。本文将从理论演进、贸易模式发展以及收入差距细分的角度对国际贸易对收入差异影响进行总结,并且归纳和梳理近年来异质企业理论下该问题的新进展,对新的全球产业链及贸易格局下的理论实证研究具有借鉴意义。
With the advent of the theory of international trade from classical to neoclassical to intra-industry trade, and the recent emergence of heterogenous corporate trade theory, the study of the effects of international trade on income disparity has shifted from industry to industry and has begun to pay attention The problem of income difference among different enterprises and within enterprises. The phenomenon of expanding the gap between trade and income in developing countries is also contrary to the ss theorem. The scholars discussed the reasons respectively from the assumptions of theorems, different trade patterns and different ways of dividing the income gap, and the research methods are increasingly Micro deep. This article will summarize the impact of international trade on income disparity from the perspectives of theoretical evolution, trade patterns and income gap segmentation, and summarize and sort out the recent progress of this issue under the theory of heterogeneous enterprises in recent years, and analyze the new global industrial chain and The empirical empirical research under the pattern of trade has reference significance.