An instrumental variable is relevant if that variable is:
A. normally distributed.
B. correlated with the treatment after controlling for other control variables in the determining function.
C. a consistent estimator of the coefficient on the treatment.
D. a dichotomous variable.
Answer: B
You might also like to view...
Elephantiasis is an infectious disease in which blockage of the circulatory system by microscopic, parasitic roundworms results in a dramatic swelling of the tissues in the lower half of the body. What region is most likely blocked by these small, thread-like worms?
A. the superior vena cava B. lymphatic vessels and/or lymph nodes C. the left atrium of the heart D. a pulmonary artery E. a carotid artery Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about the drainage of fluid from tissue? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
China's population control policies have
resulted in a(n) a. sharp decrease in its total fertility rate. b. shift in its gender ratio. c. increase in the abortion of female fetuses. d. ratio of 1.19 males for every female. e. all of these
A digestive cavity in which food enters an opening at one end and passes through the animal in one direction as it is digested is called the
A. gastrovascular cavity. B. epithelial cavity. C. intestine. D. alimentary canal. E. stomach.
Which of the following statements is false?
a. Transcription uses a 3 nucleotide base system referred to as a codon. b. DNA, through the use of RNA molecules, controls protein synthesis. c. Proteins made during translation can act as enzymes. d. DNA replication happens in the S phase of interphase. e. Proteins are manufactured in the nucleus.