调节效应的陷阱

被引:10
作者
朱家祥
张文睿
机构
[1] 北京大学汇丰商学院
关键词
交叉项回归; 随机系数模型; 调节效应;
D O I
10.13821/j.cnki.ceq.2021.05.19
中图分类号
F224 [经济数学方法];
学科分类号
0701 ; 070104 ;
摘要
实证研究中,常在线性回归中加入交叉项来对调节效应建模。然而基于交叉项系数的统计显著来宣称调节效应,存在可能的误导。调节效应不能通过纯粹的统计分析来证实。如果缺乏可信的理论,以数据挖掘的方式来搜索调节效应很容易掉入虚假调节效应的陷阱。本文提出一系列预检验来避免虚假的调节效应,并建议了研究调节效应的实证策略。
引用
收藏
页码:1867 / 1876
页数:10
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