A.經(jīng)濟(jì)學(xué)原理 B.企業(yè)的性質(zhì) C.產(chǎn)業(yè)集群與新競(jìng)爭(zhēng)經(jīng)濟(jì)學(xué) D.國(guó)家競(jìng)爭(zhēng)優(yōu)勢(shì)
A.內(nèi)部規(guī)模經(jīng)濟(jì) B.區(qū)域化經(jīng)濟(jì) C.城市化經(jīng)濟(jì) D.以上都是