A、企業(yè)規(guī)模由較小向較大發(fā)展時(shí),企業(yè)具有規(guī)模經(jīng)濟(jì)
B、企業(yè)規(guī)模發(fā)展相當(dāng)大時(shí),企業(yè)具有規(guī)模不經(jīng)濟(jì)
C、當(dāng)處于規(guī)模不經(jīng)濟(jì)時(shí),長(zhǎng)期邊際成本曲線位于長(zhǎng)期平均成本曲線上方
D、當(dāng)規(guī)模經(jīng)濟(jì)時(shí),長(zhǎng)期邊際成本曲線與長(zhǎng)期平均成本曲線重合