This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If the errors are heteroskedastic, then A) the OLS estimator is still BLUE as long as the ... (Read 267 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
on: Jun 29, 2018
If the errors are heteroskedastic, then
 
  A) the OLS estimator is still BLUE as long as the regressors are nonrandom.
  B) the usual formula cannot be used for the OLS estimator.
  C) your model becomes overidentified.
  D) the OLS estimator is not BLUE.

Question 2

The class of linear conditionally unbiased estimators consists of
 
  A) all estimators of 1 that are linear functions of Y1,, Yn and that are unbiased, conditional on X1,, Xn .
  B) OLS, WLS, and TSLS.
  C) those estimators that are asymptotically normally distributed.
  D) all estimators of 1 that are linear functions of X1,, Xn and that are unbiased, conditional on X1,, Xn.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cascooper22

  • Sr. Member
  • ****
  • Posts: 312
Reply #1 on: Jun 29, 2018
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A


Evvie72

  • Member
  • Posts: 519
Reply 2 on: Jun 29, 2018
Thanks for the timely response, appreciate it

xoxo123

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Adult blue whale Adult blue whale
The sparse plasma (blue) and dust (white) in the tail of comet Hale–Bopp are being The sparse plasma (blue) and dust (white) in the tail of comet Hale–Bopp are being
Blue Whale Blue Whale
fMRI Machine It is not until after toddlerhood that most children can lie still long enough to have fMRI Machine It is not until after toddlerhood that most children can lie still long enough to have
Long-Range Forecasts Long-Range Forecasts
An antigen-presenting dendritic cell (blue) interacting with a T cell (yellow) An antigen-presenting dendritic cell (blue) interacting with a T cell (yellow)
Video: Factors that influence muscle tension - Sarcomere length and force, understretched and overstretched

For a complete list of videos, visit our video library