In terms of investing, what is suggested by the random walk theory?
a. Future stock prices cannot be predicted.
b. Stocks are a safer investment than bonds.
c. Long-term investments are risky but necessary.
d. Wealthy people are prepared to handle stock risks.
a. Future stock prices cannot be predicted.
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Pigouvian subsidization:
A. involves the use of taxes or fees to remedy negative externalities. B. involves the use of subsidies to remedy negative externalities. C. is a legal principle requiring a party who takes an action that harms others to compensate the affected parties for some or all of their losses. D. requires that victims of an externality pay a tax to the producers of the externality.
Trade allows a person to obtain goods at prices that are less than that person's opportunity cost because each person specializes in the activity for which he or she has the lower opportunity cost
a. True b. False Indicate whether the statement is true or false
Which statement is true about labor unions in the United States?
A. Unions have not always been very popular. B. They did not gain widespread acceptance until the 1940s. C. The U.S. has a lower percentage of its work force unionized than most other industrial nations. D. All of the choices are true of labor unions in the U.S.
A theory that has won virtually universal acceptance is a:
A) model. B) hypothesis. C) law. D) variable.