判斷題規(guī)模經(jīng)濟(jì)還可分為產(chǎn)品規(guī)模經(jīng)濟(jì)、工廠規(guī)模經(jīng)濟(jì)和企業(yè)規(guī)模經(jīng)濟(jì)這三個(gè)主要層次。

參考答案：正確