Two-sample instrumental-variables regression with potentially weak instruments

被引:5
|
作者
Choi, Jaerim [1 ]
Shen, Shu [2 ]
机构
[1] Univ Hawaii Manoa, Dept Econ, Honolulu, HI 96822 USA
[2] Univ Calif Davis, Dept Econ, Davis, CA 95616 USA
来源
STATA JOURNAL | 2019年 / 19卷 / 03期
关键词
st0568; weaktsiv; two-sample two-stage least squares; weak IV; inference; ROBUST INFERENCE; IV REGRESSION; TESTS; MOBILITY; MODELS;
D O I
10.1177/1536867X19874235
中图分类号
O1 [数学]; C [社会科学总论];
学科分类号
03 ; 0303 ; 0701 ; 070101 ;
摘要
We develop a command, weaktsiv, for two-sample instrumentalvariables regression models with one endogenous regressor and potentially weak instruments. weaktsiv includes the classic two-sample two-stage least-squares estimator whose inference is valid only under the assumption of strong instruments. It also includes statistical tests and confidence sets with correct size and coverage probabilities even when the instruments are weak.
引用
收藏
页码:581 / 597
页数:17
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