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很多学者研究了国际贸易对居民收入差距的影响,本文在此基础上进一步区分了两种贸易方式:一般贸易和加工贸易,分别研究了二者对收入差距的不同影响。具体的方法是,构建了包含12个解释变量的面板数据模型,采用中国1995-2011年21个省级行政区的数据进行了计量分析。研究结果显示:一般贸易的扩张会加剧居民收入差距,加工贸易的发展则有利于缩小居民收入差距,且其影响幅度大于一般贸易,加工贸易出口的影响尤其巨大。最后,本文根据这些结论提出了相应的政策建议。
Many scholars have studied the impact of international trade on the income gap. On this basis, the article further distinguishes two kinds of trade modes: general trade and processing trade, and studies the different effects of the two on income disparity. The specific method is to construct a panel data model containing 12 explanatory variables, and carry out econometric analysis using the data of 21 provincial-level administrative regions in China from 1995 to 2011. The results show that the expansion of general trade will aggravate the income gap among residents. The development of processing trade will help reduce the income gap among residents, and its impact will be greater than that of general trade. The impact of the export of processing trade is particularly tremendous. Finally, based on these conclusions, this paper put forward the corresponding policy recommendations.