Question: What would be then consequences for the OLS estimator if heteroscedasticity is present in a regression model but ignored? Select one: A.It will be biased

What would be then consequences for the OLS estimator if heteroscedasticity is present in a regression model but ignored? Select one: A.It will be biased B. It will be inconsistent C. All of (a), (b) and (c) will be true D.It will be inefficient

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