皮皮学，免费搜题
登录
搜题
【单选题】
研究职工薪金与工龄之间的关系时考虑不同学历的影响,设定以下模型:Yi=β1+β2Di+β3Xi+μi,其中Y代表职工薪金,X代表工龄,D代表学历(D取0代表本科以下,取1代表本科及以上)。那么β2代表:A.
本科及以上与本科以下收入的差异
B.
本科及以上的回归模型截距
C.
工龄对于收入的边际效应
D.
工龄对于薪金的边际效应
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】The mother tried to her son’s interest in music by taking him toconcerts when he was young. A) raise B) utilize C) cherish D) foster
A.
raise
B.
utilize
C.
cherish
D.
foster
【简答题】The foster mother cared for those boys as (faith)_______ as if they have been her own sons.
【简答题】In order to find a proper environment to foster her child, Mencius’s mother .
【简答题】The foster mother cared for those boys as (faith) _________ as if they have been her own sons.
【简答题】To become a foster parent, one needs to undergo, through a foster agency, the process of ________.
相关题目：