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o. k. N 1. N (k+1). (k+1)1. N 1. N 1. OLS estimation (i.e. orthogonality condition). OLS estimator. linear. First two moments of the OLS estimator. unbiased. = 2 (X’X) -1. best.
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o k N1 N(k+1) (k+1)1 N1 N1
OLS estimation (i.e. orthogonality condition) OLS estimator
linear First two moments of the OLS estimator unbiased = 2 (X’X)-1 best