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本文在分析“贸易-技术效应”对收入差距影响的短期与长期机制的基础上,利用2000～2009年我国制造业28个细分行业数据,实证分析了“贸易-技术效应”对熟练与非熟练技术劳动力间收入差距的影响。结果表明:贸易自由化对我国制造业细分行业的技术升级与新技术采用有着正面影响;短期内,贸易自由化通过“贸易-技术效应”机制,引致熟练技术劳动力相对需求上升,熟练与非熟练技术劳动力间的收入差距扩大;长期而言,“贸易-技术效应”机制使得熟练技术劳动力供给数量相对增加,熟练与非熟练技术劳动力间的收入差距缩小。
Based on the analysis of the short-term and long-term mechanism of the impact of “trade-technology effect ” on the income gap, this paper uses the data of 28 sub-industries of manufacturing industry in China from 2000 to 2009 to analyze the “trade-technology effect” Impact on the income gap between skilled and unskilled labor. The results show that trade liberalization has a positive impact on the technological upgrading and adoption of new technologies in China’s manufacturing subdivision industry. In the short term, trade liberalization leads to the relative increase in demand for skilled and skilled labor through the “trade-technology effect” mechanism In the long term, the “trade-technology effect” mechanism has resulted in a relative increase in the supply of skilled technical labor and a narrowing of the income gap between skilled and unskilled labor.