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MMLU / The purpose of "augmenting" the Dickey-Fuller test regression is to

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question

The purpose of "augmenting" the Dickey-Fuller test regression is to

choices

  1. Ensure that there is no heteroscedasticity in the test regression residuals.
  2. Ensure that the test regression residuals are normally distributed
  3. Ensure that there is no autocorrelation in the test regression residuals
  4. Ensure that all of the non-stationarity is taken into account.

subject

econometrics

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