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中南大学学报(社会科学版)
ZHONGNAN DAXUE XUEBAO(SHEHUI KEXUE BAN)

2023年03月第29卷第2期
   
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文章编号:1672-3104(2023)02-0124-12
 
劳动保护能提高劳动收入份额吗?—— 基于《劳动合同法》的准自然实验
 
刘长庚1, 2,谷阳1,王宇航1
 
(1.湘潭大学商学院,湖南湘潭,411105;
2.湖南财政经济学院,湖南长沙,410205)
 
摘  要: 利用2000—2017年非金融类上市公司数据,将2008年《劳动合同法》的实施视为准自然实验,运用双重差分模型研究了劳动保护对劳动收入份额的影响。研究发现:《劳动合同法》的实施加强了劳动保护,使得劳动密集型企业的劳动收入份额显著提高,且这一促进效应对于国有企业、规模较大企业以及普通员工更为凸显。机制检验发现,劳动保护加强使得工资率的增速快于劳动生产率,且劳动保护加强主要通过保障劳动者合法权益提高劳动报酬,进而使得劳动收入份额增加。
 
关键词: 劳动保护;劳动收入份额;工资率;劳动生产率
 
 
Can labor protection increase the labor share?——A quasi-natural experiment based on the implementation of Labor Contract Law
 
LIU Changgeng1, 2, GU Yang1, WANG Yuhang1
 
(1. School of Business, Xiangtan University, Xiangtan 411105, China;
2. Hunan University of Finance and Economics, Changsha 410205, China)
 
Abstract: Based on the data of nonfinancial listed companies from 2000 to 2017, this paper considers the implementation of Labor Contract Law in 2008 as a quasi-natural experiment, and by adopting the difference-in-differences (DID) model, studies the impact of labor protection on the labor income share. It has been found that the implementation of Labor Contract Law has strengthened labor protection, which has significantly increased the share of labor income in labor-intensive enterprises, and this promotion effect is more significant for state-owned enterprises, large-scale enterprises and ordinary staff. The mechanism tests find that the strengthening of labor protection has made the wage rate grow faster than the labor productivity. Moreover, the strengthening of labor protection improves the labor income mainly by protecting legitimate rights of laborers, and therefore increasing the share of labor income.
 
Key words: labor protection; labor share; wage rate; labor productivity
 
 
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