Question: Consider the linear regression model y = B0 + B1x + u, where the regressor x may be correlated with the error term u. We

Consider the linear regression model y = B0 + B1x + u, where the regressor x may be correlated with the error term u. We are reluctant to rely on the OLS estimator of B1 mainly because a. it may not be consistent. b. itmay not be efficient. c. itmay not be robust ta heteroscedasticity. d. we are unlikely to have sufficient observations. e. None af the listed answers is correct

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