A.收入效應(yīng)和邊際效應(yīng)B.規(guī)模效應(yīng)和替代效應(yīng)C.收入效應(yīng)和替代效應(yīng)D.規(guī)模效應(yīng)和收入效應(yīng)
A.MRPL=W B.MRPK=W C.MRPL=r D.MRPK=r
A.正 B.負(fù) C.0 D.任意值