在处理robust test from different estimators时,
我的经验得出,
OLS 会得到偏高的结果
FE or RE 会得到偏低的结果
GMM or system-GMM 会得到缓和的结果
如果有错,请大家指出.
|
楼主: smilewj
|
5815
5
OLS, FE, RE, GMM |
|
高中生 75%
-
|
回帖推荐我认为是这个原因:
1. When conducting OLS or GLS, The coefficient value or significant level may be serious upward biased due to failures of some assumptions , like collinearity, E(U)`=0, autocorrelation striction, or even efficient issues
2. FE or RE may have downward result: FE lose too many degree of freedom, RE will be downward biased if E=0.
3. GMM is a good estimator to deal with autocorre ...
| ||
|
|
| ||
| ||
加好友,备注jltj京ICP备16021002号-2 京B2-20170662号
京公网安备 11010802022788号
论坛法律顾问:王进律师
知识产权保护声明
免责及隐私声明


