产业内贸易对中国技能工资差距的影响

本文试图考察产业内贸易对技能工资差距的影响，理论分析表明：它随劳动力条件的变化而变化，在劳动力无限供给条件下它取决于技术劳动力的绝对需求，由于产业内贸易必能刺激技术劳动力的绝对需求，因此必然会扩大工资差距。但在劳动力条件转向有限供给后，它又取决于技术劳动力的相对需求，而产业内贸易未必使之扩大，特别是对两类劳动力替代弹性较大的部门来说，可能会使技术劳动力的相对需求下降，并使技能工资差距收缩。本文基于中国33个产业的5年面板数据验证了上述假说。

THE EFFECT OF CHINA'S INTERMEDIATE GOODS TRADE ON SKILL WAGE GAP

This paper analyzed the effect of intermediate goods on skill wage gap and theoretically proved that the effect of it varied in different labor conditionsIn the condition of unlimited labor supply skill wage gap was determined only by the absolute demand of skilled laborWhile intermediate goods trade could increase the latter, it would necessarily increase skill premiumBut when labor condition converted to limited supply, skill wage gap would be determined by comparative demand of skilled laborHowever intermediate goods trade could not necessarily increase the latter, in those sectors such as low technology industries where the substitution possibility between skilled labor and unskilled labor was high intermediate goods trade tends to lower the comparative demand of skilled labor and skill wage gapUtilizing the panel data from 33 industries of 5 years, this paper verified above propositions