單項(xiàng)選擇題
A.外部經(jīng)濟(jì) B.規(guī)模經(jīng)濟(jì) C.外部不經(jīng)濟(jì) D.規(guī)模不經(jīng)濟(jì)
A.資產(chǎn)運(yùn)用過(guò)度 B.資產(chǎn)運(yùn)用不足 C.負(fù)債經(jīng)營(yíng)過(guò)度 D.負(fù)債經(jīng)營(yíng)不足