A.2 B.1 C.3 D.5
A.增加20% B.減少20% C.增加大于20% D.增加小于20%
A.規(guī)模報(bào)酬遞增 B.規(guī)模報(bào)酬不變 C.規(guī)模報(bào)酬遞減 D.勞動(dòng)的邊際產(chǎn)量遞減