阿摩線上測驗
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阿摩線上測驗
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(b) (7%) Consider the bivariate regression model with two-period panel data, 
where 
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 
is not autocorrelated and is independent of 
on