Multiple Choice
Which one of the following are factors that influence the variance of 2SLS Bj estimates?
A) Model fit
B) Sample size
C) Explanatory power of the instrument in explaining X
D) Overall fit of the first stage regression
E) All of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q1: If Z is a weak instrument, please
Q2: Please explain what an overidentification test is.
Q3: Given the model<br>Crime<sub>it</sub>=B<sub>0</sub>+B<sub>1</sub>Police<sub>i,t</sub>+e<sub>it</sub>,<br>Which one of the following
Q4: Explain why attrition in randomized experiments can
Q6: The variance of coefficient estimates in 2SLS
Q7: Which of the following is a justification
Q8: The inclusion condition states that the instrument
Q9: We cannot test if an instrument satisfies
Q10: Please list two of the factors that
Q11: Suppose we wish to know if long