改革开放以来,随着市场经济的发展和所有制结构的调整,民营部门（本文定义为除国有和外资部门以外的其它经济成分。在不能获得相关统计数据时,借用非国有经济的概念。）在整个国民经济中扮演着越来越重要的角色,日益成为经济增长的主要带动部门。据国民经济研究所的报告,①在“ Since the reform and opening up, with the development of the market economy and the adjustment of the ownership structure, the private sector (defined in this paper as an economic component other than the state-owned and foreign-funded sectors) borrows the concept of non-state-owned economy when relevant statistics are unavailable The entire national economy has played an increasingly important role and has increasingly become the main driving force for economic growth. According to the report of the Institute of National Economy, ① In the "