选择题：工资率变动对劳动力需求的影响包括（　　　）(A)规模效应和收入效应(B)规模效应和替代效应(C)收入

题目内容：

工资率变动对劳动力需求的影响包括（　　　）
(A) 规模效应和收入效应
(B) 规模效应和替代效应
(C) 收入效应和替代效应
(D) 收入效应和边际效应

参考答案：

[阅读题,50分]There once lived in China a very foolish

[阅读题,50分]There once lived in China a very foolish king and queen. One day the qu

The two scholars worked at the task of writing a preface to the new dictionary f

Mr. Zhang makes _____ a point to keep up with the latest development in his fiel

43.These devices mounted in the car can _______ driver to an impending hazard.

VLV22-3×120+1×35的电力电缆应套定额( )子目。(本题2.0分) A、铝芯电力电缆截面120㎜2以下 B、铝芯电力电缆截面400㎜2以下