Suppose you are trying to estimate the following regression: Yi = ?0 + ?1X1i + ?2X2i + ?3X3i + Ui, with an instrument for Zi for X2i. All of the following variables will be included (on the right- and left-hand side of this regression) in the first stage of two-stage least squares except for which one?
A. Yi
B. X2i
C. X1i
D. X3i
Answer: A
Biology & Microbiology
You might also like to view...
In terms of relatedness to a specific cellular process, which protein does not belong with the others?
A. RNA polymerase holoenzyme B. DNA ligase C. DNA polymerase holoenzyme D. Ribonuclease
Biology & Microbiology
The causative agent of Hansen's disease is
A) Mycobacterium marinum. B) Mycobacterium ulcerans. C) Mycobacterium hansen. D) Mycobacterium leprae.
Biology & Microbiology
If the sperm cell contributes mitochondria to the oocyte, it is called _______
A. paternal leakage B. maternal leakage C. paternal inheritance D. mitochondria E. imprinting
Biology & Microbiology
What is a factor that drives animal migration?
A. seasonal availability of food B. nest availability C. hunting pressure D. intraspecific competition E. tidal patterns
Biology & Microbiology