贸易对收入分配影响研究的最新进展及其评论

The Comment on the Research of International Trade's Impact on Income Distribution

随着近年来保护贸易的盛行与收入差距持续扩大,国际贸易对收入分配的影响成为国际经济学领域的研究热点。本文从国际贸易对一国整体收入水平以及国内收入差距的影响两个角度介绍了近年来这方面理论的最新进展及趋势。尽管各理论分析角度、模型设计以及数据运用各不相同,但结论趋于一致,即自由贸易会带来一国整体收入的提高,但也会导致收入差距的扩大,因此保护贸易政策会损害到一国整体福利,自由贸易导致收入差距的扩大可通过适当国内再分配政策进行调节。

With the prevail of protectionism and the increasing inequality of income, the research of international trade impact income distribution is becoming hotspot. This paper introduces the development of impact in two aspects： the impact of international trade on the welfare of trading countries,and on the income distribution. Although these development using different data and diverse models from various angles , conclusions they reached are consistent： the trading eountrles＇ welfare or income will be improved, and the income inequality will be expanded through international trade. Accordingly, the protectionism will decrease the welfare of trading countries, and the domestic redistribution policy of income maybe helpful to reduce the income inequality.