State-owned economy is having different origin in thing square country, but, the academic basis that state-owned economy exists objectively to have its intercommunity in all countries as a kind: ?

• 国有经济在东西方国家有着不同的起源 ,但是 ,国有经济作为一种客观存在在所有国家具有其共同性的理论依据 :一是提供公共产品 ;