題組內容

6. (15%) Answer the following questions.

(b) (7%) Consider the bivariate regression model with two-period panel data, 61dbcadba8ba9.jpg where 61dbcafdb8c90.jpg are correlated with correlation coefficient px > o. Suppose that X, is measured with error, and the measured Xi, is Xi. = Xis t wis where Wil 61dbcb2839007.jpgis not autocorrelated and is independent of 61dbcbaa23cbe.jpgon61dbcc2797b4d.jpg