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.
Tattoos and Body Piercings: Note the presence of all body piercings
International Television Viewing Rates in Childhood In most developed countries, children watch TV
Directional Terms
A Layer Based on Electrical Properties: The Ionosphere
Computing Limits Problems
Linear programming problems using the simplex method.