Question: Please answer the derivation question 4.1 Consider the bivariate linear regression model Yi = BIXit Vi where vi is the error term and all of

Please answer the derivation question 4.1

Consider the bivariate linear regression model Yi = BIXit Vi where vi is the error term and all of the OLS assumptions hold. This is sometimes called "re- gression through the origin." Further assume that the errors are conditionally homoskedastic, i.e. , Var(vilXi) = 03, for all i (4.1) Given a sample of size n

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