The presence of correlated error terms creates problems for inference based on OLS. These can be overcome by
A) using HAC standard errors.
B) using heteroskedasticity-robust standard errors.
C) reordering the observations until the correlation disappears.
D) using homoskedasticity-only standard errors.
Question 2
The leading example of sampling schemes in econometrics that do not result in independent observations is
A) cross-sectional data.
B) experimental data.
C) the Current Population Survey.
D) when the data are sampled over time for the same entity.
Relationships and dates divergence of living primate group based on molecular and DNA comparisons.
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