It is assumed in economics that people make decisions based upon
A) altruism.
B) rational self-interest.
C) tradition.
D) governmental persuasion.
B
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In the above figure, if the interest rate is 3 percent per year, the quantity of money demanded is
A) greater than the quantity of money supplied, and the demand for money curve will shift. B) greater than the quantity of money supplied, and the supply of money curve will shift. C) less than the quantity of money supplied, and the demand for money curve will shift. D) greater than the quantity of money supplied, and the interest rate will change. E) less than the quantity of money supplied, and the interest rate will change.
Which of the following would be likely to change the relative efficiency of trucks versus trains in carrying freight?
A) Higher wages for truck drivers B) More powerful locomotives C) Tolls on interstate highways D) All of the above.
Which of the following statements is true of a barter system? a. In a barter system, an individual offers one good or service to get another good or service. b. In a barter system, an individual offers money to get a good or service
c. In a barter system, an individual offers a good or service to get money. d. In a barter system, different kinds of money are exchanged for one another. e. In a barter system, all individuals are self-sufficient.
Technically speaking, a monopolist's share of industry demand is _________ to make it qualify as a monopoly
a. 100 percent b. 50 percent or more c. 25 percent or more d. 0 percent e. there is no specific percentage