Question: True or False with Explanantion 1. ARIMA(0,1,0) process is possible when rejecting the Dickey-Fuller Test. 2. An ACF cannot exceed one. 3. Homoskedasticity is possible

True or False with Explanantion

1. ARIMA(0,1,0) process is possible when rejecting the Dickey-Fuller Test.

2. An ACF cannot exceed one.

3. Homoskedasticity is possible when Hausman Test for fixed effect is rejected.

4. 2SLS estimator is unbiased for a regression model with fixed effect problem.

5. Failing to reject the Hausman Test implies that the Between Effects estimator is inconsistent.

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