问题如下:
If an omitted variable is correlated with variables already included in the model, coefficient estimates will be biased and inconsistent and standard errors will also be inconsistent. Is this Statement correct?
选项:
A.
Yes.
B.
No, because the model’s coefficient estimates will be unbiased.
C.
No, because the model’s coefficient estimates will be consistent.
解释:
A is correct.
Chang is correct because a correlated omitted variable will result in biased and inconsistent parameter estimates and inconsistent standard errors.
对应讲义在哪里?谢谢