A typical remedy for perfect multicollinearity amongst control variables is to:

A. drop one of the control variables that is exactly linear with other control variables.
B. use an instrumental variable.
C. use the t-test.
D. use the within estimator.


Answer: A

Biology & Microbiology

You might also like to view...

Which one of the following is true? A codon _____

A) consists of four nucleotides B) can code for up to four different amino acids C) extends from one end of a tRNA molecule D) is the basic unit of the genetic code

Biology & Microbiology

In honeybees, queen bees are haploid organisms while male drones are diploid

a. True b. False

Biology & Microbiology

Linus Pauling demonstrated that:a

the structure of hemoglobin was altered by a mutation of a single gene. b. mutations only caused defects in enzymes. c. mutations alter the structure of RNA, but not proteins. d. mutations were inherited. e. the structure of hemoglobin was altered by mutations in any of a dozen genes.

Biology & Microbiology

Which of these events occurs normally in swallowing?

A) The larynx rises. B) The epiglottis rises. C) The esophagus closes. D) The bolus rises.

Biology & Microbiology