制造业产出服务化对企业劳动收入份额的影响:理论基础与微观证据

Influence of Servitization in Manufacturing on Labor Income Share of Enterprises:Theoretical Basis and Micro Evidence

现阶段,中国劳动收入份额呈现波动下降的特征事实。与此同时,制造业企业正在实施的服务化战略将会改变企业内部资本和劳动要素的分配比例。那么,制造业产出服务化与企业劳动收入份额的关系究竟如何?本文首先构建动态经济增长模型,将制造业部门的产出分解为制造品和现代服务产品两部分,以此刻画制造业产出服务化的现实。模型分析结果显示,制造业新增服务产品产出可以提高劳动收入份额。其次,本文利用中国上市制造业企业的微观层面数据,采用PSM-DID等准自然实验法,实证研究制造业产出服务化如何作用于企业劳动收入份额的提高。实证结果同样发现制造业产出服务化显著提高了企业劳动收入份额。本文为制造业产出服务化影响劳动收入份额提供了理论基础和基于微观企业的经验证据。

Nowadays,continuous decline of labor income share in China has raised much concern.Meanwhile,manufacturing firms are carrying out servitization strategy,which will significantly change their internal allocation of capital and labor.Then what’s the real relationship between manufacturing servitization and labor income share of enterprises?To describe this fact,we firstly construct a dynamic economic growth model,divide manufacturing output into traditional manufacturing goods and modern service goods.We find that the growth of service products of manufacturing can increase labor income share.Secondly,we use micro data of Chinese listed manufacturing companies and adopt PSM-DID approach to empirically test this theoretical hypothesis.The empirical results support our hypothesis.This paper provides both theoretical basis and empirical evidence for the influence of manufacturing servitization on labor income share.