Correlation of the Regression Error Across Observations

question 45

Multiple Choice

Correlation of the regression error across observations

• A)results in incorrect OLS standard errors.
• B)makes the OLS estimator inconsistent, but not unbiased.
• C)results in correct OLS standard errors if heteroskedasticity-robust standard errors are used.
• D)is not a problem in cross-sections since the data can always be "reshuffled."

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