Let xt be the 1 × (k + 1) vector of explanatory variables for observation t. Show that the OLS estimator 11eb9ee2_f04d_30d9_8edd_c34e1529aac0_SM2712_11 . can be written as 11eb9ee2_f04d_30da_8edd_a1e91fc1f52b_SM2712_00 Dividing each summation by n shows that is a function of sample averages.

Introductory Econometrics 4th Edition by Jeffrey Wooldridge

Edition 4ISBN: 978-0324660609

Edition 4ISBN: 978-0324660609

Exercise 1

Let xt be the 1 × (k + 1) vector of explanatory variables for observation t. Show that the OLS estimator

. can be written as

Dividing each summation by n shows that is a function of sample averages.

Explanation

Verified

Consider the multiple linear regression ...