Suppose you have 5-year annual data on the excess returns on a fund manager’s portfolio (“fund ABC”) and the excess returns on a market index (where is the return on fund ABC,
is the risk-free rate and
is the return on the market index) :
-The estimators and
determined by OLS will be the Best Linear Unbiased Estimators (BLUE) if which of the following assumptions hold?
(I) The errors have zero mean
(II) The variance of the errors is constant and finite over all values of the independent variable(s)
(III) The errors are linearly independent of one another
(IV) There is no relationship between the error and corresponding independent variables
A) I and II only
B) I, II and III only
C) II, III and IV only
D) I, II, III and IV
Correct Answer:
Verified
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