The sources of auto correlation among the following are:
I. Omitted explanatory variables
II. Interpolation in the statistical observation
III. Mis-specification of the true random term 'v'
IV. Economic variables to move together over time
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Classical assumptions and their violations has come up 26 times in 7 exams since 2011.
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This question is on Autocorrelation, part of Classical assumptions and their violations in Econometrics.
Errors correlated over time: causes, consequences and the Durbin-Watson test.
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