On Sun, 1 Dec 2013, Qi Shi wrote:
when I replicate Example 11.3 of Wooldridge's advance book(the
edition), i encounter a problem. To run the pooled OLS, I write
diff lare lfare_1 concen
ols d_lfare d_lfare_1 d_concen
then, I get the outputs, which is different from the results of the Book.
Please post the results shown by Wooldridge, in as much detail as
possible. I don't have his book to hand at present.