无论是“公域”与“私域”的划分,还是“个人”与“社会”的分离,就必然出现和存在公共空间、公共领域、公共事务,也就必然要为之付出必要的成本。而承担这一成本的并不都是个人和民营经济,还由于个人与政府在利益上的分离分立,往往造成公共物品供给不足,因此国有经济的存在有其必然性和合理 Whether it is the division of “public domain” and “private domain” or the separation of “individual” and “society”, it will inevitably emerge and exist in public space, the public domain, and public affairs. To pay for the necessary cost. However, not all individuals and private economy are responsible for this cost, and because the separation of interests between individuals and the government often results in insufficient supply of public goods, the existence of the state-owned economy is inevitably and reasonable.