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出口二元边际、行业异质性与劳动生产率
引用本文:蒲艳萍,顾冉,成肖.出口二元边际、行业异质性与劳动生产率[J].重庆大学学报(社会科学版),2018,24(5):44-55.
作者姓名:蒲艳萍  顾冉  成肖
作者单位:重庆大学公共管理学院,重庆400044;重庆大学公共经济与公共政策研究中心,重庆400044 重庆大学公共管理学院,重庆,400044
基金项目:国家社会科学基金重点项目“多态叠加下的中国劳动力市场新表现与新挑战研究”(15AZD022),重庆市研究生科研创新项目“新经济地理学框架下的中国地方政府税收竞争研究”(CYB16052)
摘    要:基于行业异质性视角,文章主要考察出口二元边际对劳动生产率的影响.利用UN Comtrade数据库,采用HK指数法测度中国出口深度边际和出口广度边际,发现中国出口产品种类基本覆盖了世界全部种类的90%.进一步地,借助聚类分析方法综合多种因素区分行业劳动技能异质性,出口二元边际与劳动生产率关系的实证结果显示:总体上出口深度边际显著推动劳动生产率提高,出口广度边际对劳动生产率产生抑制作用.更为重要的是,出口深度边际对劳动生产率的促进作用仅存在于高技能行业,受限于行业产品技术含量和劳动技能水平等,低技能和中等技能行业出口深度边际出现贫困化增长现象.出口种类扩张的生产率损失超过出口溢出效应的生产率收益,出口广度边际对高中低技能行业劳动生产率具有不同程度的负向影响.

关 键 词:出口二元边际  劳动生产率  劳动异质性  动态面板系统GNM法
修稿时间:2018/1/15 0:00:00

Dual margins of export,heterogeneity of industries and labor productivity
PU Yanping,GU Ran and CHENG Xiao.Dual margins of export,heterogeneity of industries and labor productivity[J].Journal of Chongqing University(Social Sciences Edition),2018,24(5):44-55.
Authors:PU Yanping  GU Ran and CHENG Xiao
Institution:School of Public Affairs, Chongqing University, Chongqing 400044, P. R. China;Research Center of Public Economy and Public Policy, Chongqing University, Chongqing 400044, P. R. China,School of Public Affairs, Chongqing University, Chongqing 400044, P. R. China and School of Public Affairs, Chongqing University, Chongqing 400044, P. R. China
Abstract:From the perspective of the heterogeneity of industries,this paper examines the effect of Dual Margins of Exporting on Labor Productivity. With the aid of UN Comtrade database,this paper calculates the Intensive Margin of Exporting and Extensive Margin of Exporting using HK index method. Further,this paper applies "cluster analysis" to distinguish the heterogeneity of industries considering a variety of factors. The empirical studies show that:In general,Chinese Intensive Margin of Export significantly promotes labor productivity,Extensive Margin of Export and labor productivity have a negative relationship. More importantly,the promoting effect between Intensive Margin of Export and labor productivity just exists in high-skill industries. Limited by technological content of products and labor skill levels of different industries,Intensive Margin of Export appears "immiserizing growth" in low-skill and middle-skill industries. There are various degrees of negative effects between Extensive Margin of Export and high,middle,low-skill industries.
Keywords:dual margins of export  labor productivity  heterogeneity of labor skills  dynamic system GMM estimation
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