單項(xiàng)選擇題
以下哪(幾)項(xiàng)關(guān)于勞動(dòng)力的供給和需求是正確的?()
I.短期內(nèi),當(dāng)產(chǎn)品價(jià)格上升,對(duì)勞動(dòng)力的需求和工資會(huì)隨著上升
II.長(zhǎng)期來(lái)說(shuō),當(dāng)產(chǎn)品價(jià)格上升,對(duì)勞動(dòng)力的需求和工資會(huì)隨著上升
III.短期內(nèi),當(dāng)產(chǎn)品價(jià)格上升,對(duì)勞動(dòng)力的需求和工資會(huì)隨著上升
IV.長(zhǎng)期來(lái)說(shuō),當(dāng)產(chǎn)品價(jià)格下降,對(duì)勞動(dòng)力的需求和工資會(huì)隨著下降