Multiple Choice
The assumption that X has full column rank implies that
A) the number of observations equals the number of regressors.
B) binary variables are absent from the list of regressors.
C) there is no perfect multicollinearity.
D) none of the regressors appear in natural logarithm form.
Correct Answer:

Verified
Correct Answer:
Verified
Q31: Your textbook derives the OLS estimator
Q32: The OLS estimator<br>A)has the multivariate normal asymptotic
Q33: For the OLS estimator <span
Q34: In order for a matrix A
Q35: The GLS estimator<br>A)is always the more efficient
Q37: <span class="ql-formula" data-value="\hat \beta"><span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mover
Q38: Prove that under the extended least
Q39: The heteroskedasticity-robust estimator of <span
Q40: Let there be q joint hypothesis to
Q41: The Gauss-Markov theorem for multiple regression