Which of the following can cause OLS estimators to be biased? (i) Heteroskedasticity. (ii) Omitting and important
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(i) Heteroskedasticity.
(ii) Omitting and important variable.
(iii) A sample correlation coefficient of .95 between two independent variables both included in the model?
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Related Book For
Introductory Econometrics A Modern Approach
ISBN: 978-0324660548
4th edition
Authors: Jeffrey M. Wooldridge
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