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9) When auto… Show more State whether the following statem

Paper help Economics 9) When auto… Show more State whether the following statem

Economics

9) When auto… Show more State whether the following statem

9) When auto… Show more State whether the following statements are true or false. Breifly justify your answer: 9) When autocorrelation is present, OLS estimators are biased as well as inefficient; 10) The R squared values of two models, one involving regression in the first-difference form and another in the level form, are not directly comparable. 11) In the presence of heterscedasticity the usual OLS method always overestimates the standard errors of estimators. 12) If a regression model is mis-specified (e.g., an important variable is ommitted), the OLS residuals will show a distinct pattern. 13) In cases of high multicollinearity, it is not possible to assess the individual significance of one or more partial regression coefficients. 14) Multicollinearity is harmless if the objective of the analysis is prediction only. • Show less

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