Which of the following variables related to a worker's wage are the most difficult to measure?
a. ability, effort, and chance
b. job characteristics, gender, and race
c. gender, race, and geographic location
d. years of schooling, age, and years of experience
a
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Which of the following statements is true?
A) Randomization allows for classification of participants according to their choice. B) The subjects in the treatment group and the control group of an experiment are treated identically, except along a single dimension. C) Randomization is not used in medical experiments. D) The subjects in the treatment group and the control group of an experiment are identical in all respects and they are treated identically.
If there is a small surplus in the combined current account plus capital and financial account for a certain year, then to make the two accounts balance there will be:
A. An increase in the exchange rate B. A decrease in the exchange rate C. An increase in official reserve holdings D. A decrease in official reserve holdings