公有制經(jīng)濟(jì),是指國(guó)有經(jīng)濟(jì)、集體經(jīng)濟(jì)以及混合所有制經(jīng)濟(jì)中的國(guó)有成分和集體成分.公有制的主體地位主要體現(xiàn)在：公有資產(chǎn)在社會(huì)總資產(chǎn)中占優(yōu)勢(shì),國(guó)有經(jīng)濟(jì)控制國(guó)民經(jīng)濟(jì)命脈,對(duì)經(jīng)濟(jì)發(fā)展起主導(dǎo)作用.
非公有制經(jīng)濟(jì)是相對(duì)于公有制經(jīng)濟(jì)而產(chǎn)生的一個(gè)名詞.它是我國(guó)現(xiàn)階段除了公有制經(jīng)濟(jì)形式以外的所有經(jīng)濟(jì)結(jié)構(gòu)形式.