The Consumer Price Index excludes all of the following, except one. Which one is included in the CPI?
a. Services purchased directly by consumers
b. Raw materials
c. Services purchased by the government
d. Machinery purchased by firms
e. Intermediate goods purchased by firms
A
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A researcher wants to test the effects of daily meditation on stress levels of individuals. She divides the participants randomly into a treatment group and into a control group and conducts an experiment
She pays for meditation classes for one-half of the subjects, and the other half does not join the class. Which of the following statements is true of the two groups in this experiment? A) The participants in the treatment group are assigned by chance, whereas the ones in the control group are assigned by choice. B) The participants in the control group are assigned by chance, whereas the participants in the treatment group are assigned by choice. C) The treatment group is the group of subjects that receives finance from the researcher for meditation classes; the control group is the group that does not. D) The control group is the group of subjects that receives finance from the researcher to join the meditation class; the treatment group is the group that does not.
The above figure shows supply and demand curves for milk. In an effort to help farmers, the government passes a law that establishes a $3 per gallon price support. To maintain the price support, government expenditures must equal
A) k + i. B) f + g + h + i + j. C) f + g + h + i + j + k. D) f + g + h + i + j + k + e.