Question: Consider the linear regression model y = o + B1x+u, where the regressor x may be correlated with the error term u. We use 2SLS

Consider the linear regression model y = o + B1x+u, where the regressor x may be correlated with the error term u. We use 2SLS to estimate the model because the 2SLS estimator of 1 is than the OLS estimator of 1. 1 O a. easier to implement O b. more efficient O c. more likely to be consistent O d. less likely to be affected by heteroscedasticity O e. None of the listed answers is correct

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