A.工資率的變動(dòng)對(duì)勞動(dòng)力需求只能產(chǎn)生規(guī)模效應(yīng)
B.工資率的變動(dòng)對(duì)勞動(dòng)力需求只能產(chǎn)生替代效應(yīng)
C.在短期中,工資率的變化只能對(duì)勞動(dòng)力需求產(chǎn)生替代效應(yīng),不會(huì)產(chǎn)生規(guī)模效應(yīng)
D.在長(zhǎng)期中,工資率的變化會(huì)同時(shí)對(duì)勞動(dòng)力需求產(chǎn)生替代效應(yīng)和規(guī)模效應(yīng)
E.工資率的變化在短期和長(zhǎng)期中都會(huì)對(duì)勞動(dòng)力需求產(chǎn)生替代效應(yīng)和規(guī)模效應(yīng),只不過(guò)在長(zhǎng)期中的影響更充分一些